HomeMy WebLinkAboutORD 5063CITY OF RENTON,WASHINGTON
ORDINANCE NO.5063
Amends ORD Nos:3217,4311
4400 &5010
Amended by Ord:5297
AN ORDINANCE OF THE CITY OF RENTON,WASHINGTON,
AMENDING SECTIONS 4-5-040.A AND C AND ADDING A NEW
SECTION,4-5-040.D,OF CHAPTER 5,BUILDING AND FIRE
PREVENTION STANDARDS,OF TITLE IV (DEVELOPMENT
REGULATIONS)OF ORDINANCE NO.4260 ENTITLED "CODE OF
GENERAL ORDINANCES OF THE CITY OF RENTON,
WASHINGTON"BY ADOPTING THE CURRENT NATIONAL
ELECTRICAL CODE AND AMENDMENTS.
THE CITY COUNCIL OF THE CITY OF RENTON,WASHINGTON,DO ORDAIN
AS FOLLOWS:
SECTION I.Section 4-5-040.A of Chapter 5,Building and Fire Prevention
Standards,of Title IV (Building Regulations)of Ordinance No.4260 entitled "Code of General
Ordinances ofthe City ofRenton,Washington"is hereby amended to read as follows:
A.ADOPTION:
The National Electrical Code,2002 Edition,published by the National Fire Protection
Association,as amended by the City ofRenton,is hereby adopted as the National Electrical
Code,or NEC,2002 Edition,for the City of Renton,and may hereafter be designated as "City of
Renton Electrical Code,2002."
SECTIONn.Section 4-5-040.C of Chapter 5,Building and Fire Prevention
Standards,of Title IV (Building Regulations)of Ordinance No.4260 entitled "Code of General
Ordinances of the City of Renton,Washington"is hereby amended to read as follows:
C.ADMINISTRATION AND ENFORCEMENT
1.Short Title:This chapter shall be known as the electrical code ofthe City of
Renton,which is hereinafter referred to as the "City ofRenton electrical code,""electrical code"
or as ''this code."
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ORDINANCE NO.5063
2.National Electrical Code -Adopted as Amended,Added To and Accepted:
The National Electrical Code (NFPA 70),2002 Edition,including Annex Band C,but
excluding Article 80;the most current edition of Centrifugal Fire Pumps (NFPA 20)Health Care
Facilities (NFP A 99);Emergency and Standby Power Systems (NFP A 110)and the National
Electrical Safety Code (NESC C2-2002 excluding Appendixes A and B)are hereby adopted by
reference as a part of this Chapter,and shall be applicable within the City,as amended,added to
or excepted in this Chapter.
The requirements of this Chapter will be observed where there is any conflict between
this Chapter and the National Electrical Code (NFPA 70),Centrifugal Fire Pumps (NFPA 20),
Health Care Facilities (NFPA 99),and Emergency and Standby Power Systems (NFP A 110).
The National Electrical Code will be followed where there is any conflict between
Centrifugal Fire Pumps (NFPA 20),Health Care Facilities (NFP A 99),Emergency and Standby
Power Systems (NFP A 110 or the NESC C2-2002 and the National Electrical Code (NFPA 70).
3.Purpose:The purpose of the City of Renton electrical code,as amended and
adopted in this Chapter,is the practical safeguarding of persons,property and buildings from
hazards arising from the use of electricity.The City of Renton electrical code contains
provisions considered necessary for safety.Compliance therewith and proper maintenance will
result in an installation essentially free of hazard,but not necessarily efficient,convenient or
adequate for good service or future expansion of electrical service.
The City of Renton electrical code is not intended as a design specification nor an
instruction manual for untrained persons.
4.Scope:The City of Renton electrical code covers:
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5063ORDINANCENO.-----
(a)Electrical conductors,electrical equipment,and raceways installed within
or on public and private buildings,property or other structures.
(b)Signaling and communications conductors and equipment,
telecommunications conductors and equipment,fiber optic cables,and raceways installed within
or on public and private buildings,property or other structures.
(b)Yards,lots,parking lots,and industrial substations.
(c)Temporary electrical installations for use during the construction of
buildings.
(d)Temporary electrical installations for carnivals,conventions,festivals,
fairs,traveling shows,the holding of religious services,temporary lighting of streets,or other
approved uses.
(e)Installations of conductors and equipment that connect to a supply of
e1ectrici ty.
(f)All other outside electrical conductors on the premises.
(g)Optional standby systems derived from portable generators.
Exception:All wires and equipment that fall within section 90.2(b)(5)of the National
Electrical Code,1981 edition,are exempt from the requirements of this Chapter.
5.Application
(a)New Installations:This code applies to new electrical installations.
Exception:If an electrical permit application is received after this Chapter has taken
effect,but is associated with a building permit application received prior to the effective date of
this Chapter,all applicable codes adopted and enforce at the time of the building application
shall apply.
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(b)Existing Installations:Existing electrical installations that do not comply
with the provisions of this Chapter shall be permitted to be continued in use unless the Building
Official or designated representative determines that the lack of conformity with this code
presents an imminent danger to the building,structure or occupants.Where changes are required
for correction of hazards,a reasonable amount of time shall be given for compliance,depending
on the degree of the hazard.
(c)Additions,Alterations,Modifications,or Repairs:Additions,alterations,
modifications or repairs to the electrical system of any building,structure,or premises shall
conform to the requirements of this code without requiring those portions of the existing building
not being altered or modified to comply with all the requirements ofthis Code.Installations,
additions,alterations,modifications,or repairs shall not cause an existing building to become
unsafe or to adversely affect the performance of the building as determined by the Building
Official or designated representative.Electrical wiring added to an existing service,feeder,or
branch circuit shall not result in an installation that violates the provisions of this Chapter in
force at the time the additions were made.
(d)Moved Buildings or Structures:Buildings or structures intended to be
relocated within or into the City of Renton must be inspected by the Building Official for
compliance with the codes and standards adopted in this Chapter prior to being relocated or
moved.The owner of the building or structure must obtain a building permit and further must
agree to correct all deficiencies identified by the inspection prior to moving the building.All
deficiencies must be corrected before electric power is connected to the building.
(e)Alternate Materials or Methods:The provisions of this code are not
intended to prevent the use of any material,alternate design or method of construction not
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ORDINANCE NO.5063
specifically prescribed by this code,provided that any alternate has been approved and its use
has been authorized by the Building Official.
Modifications to requirements in this code are allowed only when there is significant
difficulties encountered making it impractical to carry out the specific provisions of this code.
The use of alternate materials,methods of construction or modifications,shall not avoid
compliance with the objectives or intention ofthis code or reduce the level of fire and life safety,
structural integrity,strength,fire resistance,sanitation,or equipment suitability required by this
code.
The proposed alternate materials,methods or modifications may be permitted where the
equivalent objectives prescribed by this code can be achieved by establishing and maintaining
effective fire and life safety,structural integrity,strength,fire resistance,sanitation,and/or
equipment suitability.
6.Permit Requirements and Exemptions:Except as specified in this section,
no electrical system regulated by this code shall be installed,altered,replaced,modified,
repaired,energized,or services connected unless a separate electrical permit for each building or
structure has been obtained from the Building Official.The electrical permit shall be posted on
the job site at the service equipment or other conspicuous readily available location and shall
remain so posted during the entire course of work.
Except for emergency repairs to existing systems,an electrical permit must be obtained
and posted at the job site prior to beginning any electrical installation or alteration.An electrical
permit for emergency repairs to existing systems must be obtained and posted at the job site no
later than the next business day after the work has begun.
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ORDINANCE NO.5063
a.ill accordance with chapter 19.28 RCW,an electrical permit is required for
the following installations:
(1)The installation,alteration,repair,replacement,modification or
maintenance of all electrical systems,wire and electrical equipment regardless of voltage.
(2)The removal of electrical wiring.
(3)The installation and/or alteration oflow voltage systems defined
as:
(a)NEC,Class 1 power limited circuits at 30 volts maximum.
(b)NEC,Class 2 circuits powered by a Class 2 power supply
as defined in NEC 725.41(A).
(c)NEC,Class 3 circuits powered by a Class 3 power supply
as defined in NEC 725.41(A).
(4)Telecommunications Systems
(a)All installations of telecommunications systems on the
customer side of the network demarcation point for projects greater than ten telecommunications
outlets.
(b)All backbone installations regardless of size and all
telecommunications cable or equipment installations involving penetrations of fire barriers or
passing through hazardous locations require permits and inspections.
(c)The installation of greater than ten outlets and the
associated cables along any horizontal pathway from a telecommunications closet to work areas
during any continuous ninety-day period requires a permit and inspection.
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ORDINANCE NO.5063
(d)In Rl &R2 occupancies as defined in the building code,
pennits and inspections are required for all backbone installations,all penetrations of fire
resistive walls,ceilings and floors;and installations of greater than ten outlets in common areas.
(e)Definitions of telecommunications technical tenns will
come from Chapter 19.28 RCW,the currently adopted WAC rules,EINTIA standards,and the
National Electrical Code.
b.An electrical pennit shall not be required for the following:
(1)Portable motors or other portable appliances energized by means
of a cord or cable having an attachment plug end to be connected to an approved receptacle when
that cord or cable is pennitted by the National Electrical Code;
(2)Repair or replacement of fixed motors,transfonners or fixed
approved appliances or devices rated 50 amps or less which are like-in-kind in the same location;
(3)Temporary decorative lighting;when used for a period not to
exceed 45 days and removed at the conclusion of the 45 day period;
(4)Repair or replacement of current-carrying parts of any switch,
conductor or control device which are like-in-kind in the same location;
(5)Repair or replacement of attachment plug(s)and associated
receptac1e(s)rated 50 amperes or less which are like-in-kind in the same location;
(6)Repair or replacement of any over current device which is like-in-
kind in the same location;
(7)Repair or replacement of electrodes or transfonners of the same
size and capacity for signs or gas tube systems;
(8)Telecommunication Systems.
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ORDINANCE NO._50_6_3__
(a)Telecommunication outlet installations within the
individual dwelling units of group Rl occupancies as defined by the building code;
(b)All telecommunications installations within R3
occupancies as defined in the building code;
(c)The installation or replacement of cord and plug connected
telecommunications equipment or for patch cord and jumper cross-connected equipment;
(9)Listed wireless security systems where power is supplied by a
listed Class 2 plug in transformer installed in R3 occupancies;
(10)A permit shall not be required for the installation,alteration or
repair of electrical wiring,apparatus or equipment or the generation,transmission,distribution or
metering of electrical energy or in the operation of signals or the transmission of intelligence by
a public or private utility in the exercise of its function as a serving utility.
c.Exemption from the permit requirements of this code shall not be deemed
to grant authorization for work to be done in violation of the provisions of the National Electrical
Code or other laws or ordinances of the City.
7.Inspections
a.Plan review is a part of the electrical inspection process;its primary
purpose is to determine that;electrical loads,conductors,and equipment are calculated and sized
according to the proper NEC article or section;that the classification of hazardous locations;and
proper design of emergency and legally required standby systems.Two sets of plans and
specifications shall be submitted with each application for an electrical permit for the following
installations:
(1)R1 &R2 occupancies as defined in the building code;
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ORDINANCE NO.5063
(2)All electrical systems installations of 600 volts and greater;
(3)All educational,institutional,and health care or personal care
occupancies classified or defined in WAC 296-46b-Ol0(14);
(4)All commercial generator installations;
(5)All electrical installations in hazardous areas as define by the
currently adopted National Electrical Code;
(6)All new or altered electrical installations of other than Type R3
occupancies of 2500 square feet or more where the electrical load is more than 100 amps;
(7)All new or altered service installations of other than Type R3
occupancies.
b.Classification and definition of educational,institutional,health or
personal care and licensed daycare occupancies shall be as defined in WAC 296-46B-OI0(14)
and is here by adopted as part of this code.
c.All electrical plans for the following installations shall be prepared by,or
under the direction of,a consulting electrical engineer registered under chapter 18.43 RCW,and
chapters 246B-320,180-29,and 388-97 WAC.All electrical plans must bear the engineers
stamp and signature.
(1)All educational facilities,hospitals and nursing homes;
(2)All services or feeders rated 1600 amperes or larger;
(3)All installations identified in the National Electrical Code requiring
engmeenng supervision;
(4)As required by the Building Official for installations,which by
their nature are complex,hazardous or pose unique design problems.
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ORDINANCE NO._-=-5-=-06.::....:3=----
d.Plans shall be drawn to a clearly indicated and commonly accepted scale
of not less than 1/8 inch to 1 foot upon substantial paper such as blueprint quality or standard
drafting paper.Plans shall indicate the nature and extent of the work proposed and shall show in
detail that the installation will conform to the provisions of this code.All electrical work shall be
readily distinguishable from other mechanical work.Ifplans are incomplete,unintelligible or
indefinite,the Building Official may reject or refuse to examine such plans or may require the
plans to be prepared by a licensed electrical engineer,even though a plan examination fee has
been paid.
e.Plans and specifications shall include the following information:
(1)The proposed use or occupancy of the various portions of the
building or rooms in which the installation is to be made;
(2)A complete riser diagram;
(3)The calculated load schedule and demand factor selected for each
branch circuit,feeder,sub-feeder,main feeder and service;
(4)Panel and branch circuit schedules showing individual branch
circuit loads,total demand load and connected load;
(5)Fault current calculations and listed interrupting rating for each
service and/or feeder;
(6)A key to all symbols used;
(7)Letters and numbers designating mains,feeders,branch circuits
and distribution panels;
(8)Wattage,number of sockets and type of lighting fixture;
(9)Wattage and purpose of all other outlets;
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ORDINANCE NO.5063
(10)Voltage at which the equipment will operate;
(11)Identification of wire sizes,insulation type,conduit type and sizes;
(12)Other information as may be required by the Plans Examiner.
9.Temporary Installation:If the Building Official finds that the safety oflife
or property will not be jeopardized,permits may be issued for temporary electrical installations
for use during the construction of buildings or for carnivals,conventions,festivals,fairs,the
holding of religious services,temporary lighting of streets,or other approved uses.Permission
to use such temporary installation shall not be granted for a greater length of time than 30 days,
except that a permit for a temporary installation to be used for constructing of a building may be
issued for the period of construction.Should such temporary lighting be over the street area,the
proper authorization for such use of the street must first be obtained.All such temporary
installations shall be made in accordance with the requirements of this code;provided that the
building official may permit deviations which will not permit hazards to life or property;and
further provided that whenever such hazards are deemed by the building official to exist,the
Building Official may at once rescind or cancel the permit covering such installation and
disconnect,or order the disconnection of all energy to such equipment.
SECTION III.A new section,4-5-040.D,of Chapter 5,Building and Fire
Prevention Standards,of Title IV (Building Regulations)of Ordinance No.4260 entitled "Code
of General Ordinances of the City of Renton,Washington"is hereby added,to read as follows:
D.AMENDMENTS TO THE 2002 NATIONAL ELECTRICAL CODE (NEC)
The following are the City of Renton's amendments to the 2002 National Electrical
Code:
1.NEC Article 80 Amended:NEC Article 80 is not adopted as part of this code.
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2.NEe Article 100 Amended:NEC Article 100 is amended by adding the
following definitions,to read as follows:
"Certified Electrical Product"means an electrical product to which a laboratory,
accredited by the State of Washington,has the laboratory's certification mark attached.
"Certification Mark"is a specified laboratory label,symbol,or other identifying mark
that indicates the manufacturer produced the product in compliance with appropriate standards or
that the product has been tested for specific end uses.
"City"means the City of Renton.
"Chapter"unless elsewhere specified,means this code,which is the City of Renton
amendments to the NEC.
"Electrical Equipment"includes electrical conductors,conduit,raceway,apparatus,
materials,components,and other electrical equipment not exempted by RCW 19.28.006(8).Any
conduit/raceway of a type listed for electrical use is considered to be electrical equipment even if
no wiring is installed in the conduit/raceway at the time ofthe conduit/raceway installation.
"Electrical Products Certification Laboratory"is a laboratory or firm accredited by the
State of Washington to perform certification of electrical products.
"Electrical Products Evaluation Laboratory"is a laboratory or firm accredited by the
State of Washington to perform on-site field evaluation of electrical products for safety.
"Field Evaluated"means an electrical product to which a field evaluation mark is
attached.Field evaluation must include job site inspection unless waived by the department,and
may include component sampling and/or laboratory testing.
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"Field Evaluation Mark"is a specified laboratory label,symbol,or other identifying mark
indicating the manufacturer produced the product in essential compliance with appropriate
standards or that the product has been evaluated for specific end uses.
"Fished Wiring"is when cable or conduit is installed within the finished surfaces of an
existing building or building structure (e.g.,wall,floor or ceiling cavity).
"Industrial Control Panel"means a factory or user wired assembly of industrial control
equipment such as motor controllers,switches,relays,power supplies,computers,cathode ray
tubes,transducers,and auxiliary devices used in the manufacturing process to control industrial
utilization equipment.The panel may include disconnecting means and motor branch circuit
protective devices.Industrial control panels include only those used in a manufacturing process
in a food processing or industrial plant.
"Installation"includes the act of installing,connecting,repairing,modifying,or otherwise
performing work on an electrical system,component,equipment,or wire except as exempted by
WAC 296-46B-925.
"Identification Plate"is a phenolic or metallic plate or other similar material engraved in
block letters at least 1/4"(6mm)high,unless specifically required to be larger by this chapter,
suitable for the environment and application.The letters and the background must be in
contrasting colors.Screws,rivets,or methods specifically described in this chapter must be used
to affix an identification plate to the equipment or enclosure.
"Labeled"means an electrical product that bears a certification mark issued by a
laboratory accredited by the State of Washington.
"Laboratory"may be either an electrical product(s)certification laboratory or an
electrical product(s)evaluation laboratory.
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NEC,Class 3 circuits powered by a Class 3 power supply as defined in
NEC,Class 1 power limited circuits at 30 volts maximum.
NEC,Class 2 circuits powered by a Class 2 power supply as defined in
ORDINANCE NO.5063
"Like-in-kind"means having similar characteristics such as voltage requirement,current
draw,circuit overcurrent and short circuit characteristics,and function within the system.Like-
in-kind also includes any equipment component authorized by the manufacturer as a suitable
component replacement part.
"Listed"means equipment has been listed and identified by a laboratory approved by the
State of Washington for the appropriate equipment standard per this chapter.
"Low Voltage"means:
(a)
(b)
NEC 725.4l(A).
(c)
NEC 725.4l(A).
(d)Circuits of telecommunications systems as defined in chapter 19.28 RCW.
"NRTL"means Nationally Recognized Testing Laboratory accredited by the
Federal Occupational Safety and Health Administration (OSHA)after meeting the requirements
of29 CFR 1910.7
"Point of contact"for utility work,means the point at which a customer's electrical
system connects to the serving utility system.
"Stand-Alone Amplified Sound or Public Address System"is a system that has distinct
wiring and equipment for audio signal generation,recording,processing,amplification,and
reproduction.This definition does not apply to telecommunications installations.
"Telecommunications Installations"is as defined in RCW 19.28.400 for both regulated
carriers and unregulated local service providers.
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ORDINANCE NO.5063
"Under the Control of a Utility"for the purposes ofRCW 19.28.091,is when electrical
equipment is owned by the utility or when electrical equipment is not owned by a utility and:
(a)Is located in a vault,room,closet,or similar enclosure that is secured by a
lock or seal so that access is restricted to the utility's personnel,or:
(b)The utility is obligated by contract to maintain the equipment and the
contract provides that access to the equipment is restricted to the utility's personnel or other
qualified personnel.
"Utility System"means electrical equipment owned by or under the control of a serving
utility that is used for the transmission or distribution of electricity from the source of supply to
the point of contact.
"Utilization Voltage"means the voltage level employed by the utility's customer for
connection to lighting fixtures,motors,heaters,or other electrically operated equipment other
than power transformers.
"WAC"means Washington Administrative Code.
3.NEe Article 110.2 Amended:NEC Article 110.2 is amended by adding the
following text to the end ofthe section:
All materials,devices, appliances,and equipment,not exempted in State law chapter
19.28.RCW,must conform to applicable standards recognized by the Building Official,be
listed,or field evaluated by an accredited electrical products testing laboratory.Equipment must
not be energized until such standards are met,unless specific permission has been granted by the
Building Official.
FPN:WAC 296-46B-01O(9)
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4.NEC Article 110.3 Amended:NEC Article 110.3 is amended by adding a new
subsection (C),to read as follows:
(C)Industrial Control Panels and Utilization Equipment.Control panels and
utilization equipment installed in industrial plants will be determined to meet the minimum
electrical safety standards for installations by one of the following methods:
(a)Listing and labeling by an accredited electrical products testing laboratory;
(b)Field evaluation by an accredited electrical products testing laboratory;
(i)If the equipment usage is changed to other than industrial
utilization equipment or electrical modifications are made to the equipment,the equipment must
be successfully listed or field evaluated by a laboratory approved by the department.
(ii)The equipment must be permanently installed at the owner's
facility and inspected per the requirements of this Chapter
(c)Normal inspection as part of the electrical inspection process included
with the general wiring inspection of a building,structure,or other electrical installation for
compliance with codes and rules adopted under this chapter.Normal inspection will only be
made for equipment using listed components and wired to the requirements of the NEe.
Use of industrial control panel(s)or equipment before its evaluation or final inspection,
must be authorized by the Building Official or designated representative prior to being energized.
FPN:WAC 296-46B-030(2)
5.NEC Article 110.12 Amended:NEC Article 110.12 is amended by adding new
subsections (D)and (E),to read as follows:
(D)Abandoned Conductors and Cables.Electrical conductors or cables shall not be
abandoned in place.Unused electrical conductors,or cables,regardless of voltage,and
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communication cables not in use shall be removed from the building or structure back to the
originating panel board unless otherwise authorized by the Building Official or designated
representative.
(E)Old,Used or Damaged Material and Equipment.Old,used or damaged electrical
equipment,conductors or materials shall not be reinstalled or used in any new work without prior
approval of the Building Official or designated representative.
6.NEC 110.16 Amended:NEC Article 110.16 is amended by adding the following
text to the end of the first paragraph:
The flash protection marking must be an identification plate or label meeting ANSI
Standards 2535.4-1998 or be of a type approved by the Building Official or designated
representative.The plate or label may be installed at the factory or in the field.The plate or
label may be mounted using adhesive.
FPN:WAC 296-46B-II0(4)
7.NEC 110.22 Amended:
a.NEC Article 110.22 is amended by adding the following text to the end of
the first paragraph:
In other than dwelling units,an identification plate or label is required unless the
disconnect is a circuit breaker or fused switch installed within a panelboard and its purpose is
indicated by the panelboard schedule.The identification plate or label must include the
identification designation of the circuit source panelboard that supplies the disconnect.
FPN:WAC 296-46B-ll O(5)
b.NEC Article 110.22 is amended by adding the following text to the end of
the second paragraph:
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The marking must be in the fonn of an identification plate or label that is substantially
yellow in color.The words "CAUTION -SERIES COMBINATION RATED SYSTEM"must
be on the plate or label in letters at least 13 mm (112")high.
FPN:WAC 296-46B-llO(6)
8.NEC Article 210.8.B Amended:NEC Article 210.8.B is amended by adding
new subsections (4)and (5),to read as follows:
(4)Outdoors
FPN:WAC 296-46B-21 0(2)
(5)Crawl spaces -at or below grade
9.NEC Article 210.8 Amended:NEC Article 210.8 is amended by adding a new
Subsection (C),to read as follows:
(C)All Occupancies
a.All 125-volt,single phase,15 and 20 ampere receptacles installed within
1.8 m (6 ft)of any sink,fixed water source,or a nonnally wet or damp location shall be
provided with ground fault circuit-interrupter protection for personnel.
Exception:The laundry receptacle when installed within the dedicated wall space
occupied by the clothes washer.
FPN:WAC 296-46B-410(1)
b.All luminaires (lighting fixtures)pennitted to be installed within the zone
defined in Article 410.4(D)shall be ground-fault circuit-interrupter protected and shall be fully
enclosed.
FPN:WAC 296-46B-41 0(1)
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10.NEC 210.11(C)Amended:NEC Article 210.11(C)is amended by adding a new
subsection (4),to read as follows:
(4)Unfinished spaces.In addition to the number of branch circuits required
by other parts of this section,at least one additional branch circuit shall be provided for
unfinished spaces adaptable to future dwelling unit living areas that are not readily accessible to
the service or branch circuit pane1board.The circuits must terminate in a suitable box(es).The
box must contain an identification of the intended purpose of the circuit(s).The branch circuit
pane1board must have adequate space and capacity for the intended 10ad(s).
FPN:WAC 296-46B-21 0(2)
11.NEC Article 215.10 Amended:NEC Article 215.10 is amended by adding a new
paragraph following the first paragraph,to read as follows:
Equipment ground fault protection systems shall be performance tested prior to being
placed into service to verify proper installation and operation of the system as determined by the
manufacturer's published instructions.This test or a subsequent test shall include all system
feeders.A firm having qualified personnel and proper equipment must perform the tests
required.A copy of the manufacturer's performance testing instructions and a written
performance acceptance test record signed by the person performing the test must be provided
for the inspector's records at the time of inspection.The performance acceptance test record
shall include test details including,but not limited to,all trip settings and measurements taken
during the test.The equipment being tested shall be labeled identifying the date of the test,the
firm performing the test,and all settings for the equipment tested.
FPN:WAC 296-46B-215(1)
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12.NEC Article 220.35 Amended:NEC Article 220.35 is amended by adding the
following text to the end of subsection (1):
In addition to the 30 day demand data,the following information must be provided:
a.The date ofthe measurements.
b.A statement attesting to the validity of the demand data, signed by a professional
electrical engineer or the electrical administrator of the electrical contractor performing the
measurements.
c.A diagram ofthe electrical system identifying the point(s)ofthe measurements.
FPN:WAC 296-46B-01O(22)
13.NEC Article 225.32 Amended:NEC Article 225.32 is amended by adding a new
paragraph following the fIrst paragraph,to read as follows:
Feeder disconnects, panelboards,subpanels,and similar electrical equipment must be
installed so that they are readily accessible and may not be installed in bathrooms,clothes
closets,or shower rooms.All indoor feeder disconnects,panelboards and subpanels and similar
electrical equipment must have adequate working space and be adequately illuminated.
FPN:WAC 296-46B-230(1l)
14.NEC Article 225.32 Amended:Article 225.32 is amended by adding new
subsections (1)and (2),to read as follows:
(1)Outside locations:Where the feeder disconnecting means is installed outside of a
building or structure it must be on the building or structure supplied.The building disconnecting
means may supply only 1 building or structure unless the secondary building(s)or structure(s)
has a separate building disconnecting means meeting the requirements of this subsection.The
disconnecting means must have an identifIcation plate with at least 1/2"high letters identifying:
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ORDINANCE NO.5063
(a)The building or structure served;and
(b)Its function as the building or structure main disconnect(s).
FPN:WAC 296-46B-230(13)
(2)Inside location:Where the feeder disconnecting means is installed inside the
building or structure,it must be located so that the feeder raceway or cable extends no more than
15'inside the building or structure.
15.NEC Article 230.2 Amended:NEC Article 230.2 is amended by adding a new
paragraph following the first paragraph,to read as follows:
Each portion of a building or structure separated by one or more firewalls that comply
with Section 705 of the International Building Code may be considered a separate building.
Firewalls shall not be less than 2 hr fire-resistance rated.The extent and location of such
firewalls shall provide a complete separation.
FPN:WAC 296-46B-230(2)
16.NEC Article 230.2(A)Amended:NEC Article 230.2(A)is amended by adding a
new subsection (6),to read as follows:
(6)Transient voltage surge suppressor
FPN:WAC 296-46B-230(4)
17.NEe Article 230.28 Amended:NEC Article 230.28 is amended by adding new
text to the end ofthe first paragraph,to read as follows:
Where a raceway-type service mast is used as support for service-drop conductors,the
following conditions must be met:
(1)Raceway type service mast shall be a minimum of2-inch rigid metal conduit.
21
ORDINANCE NO.5063
(2)An approved roof flashing shall be installed on each mast where it passes through
a roof.Plastic,non-hardening mastic shall be placed between lead-type flashings and the conduit.
Approved neoprene type roof flashings may be permitted.
(3)Masts shall be braced,secured,and supported in such a manner that no pressure
from the attached conductors will be exerted on a roof flashing,meter base,or other enclosures.
(4)Utilization of couplings for a mast shall not be permitted above the point the mast
is braced,secured,or supported.
(5)Except as otherwise required by the serving utility,service mast support guys
shall be installed ifthe service drop attaches to the mast more than 600 mm (24 in.)above the
roofline or if the service drop is greater than 100'in length from the pole or support.Masts for
support of other than service drops shall comply with this requirement as well.
(6)Intermediate support masts shall be installed in an approved manner with methods
identical or equal to those required for service masts.
(7)For altered services,where it is impractical to install U bolt mast supports due to
interior walls remaining closed,it may be permissible to use other alternate mast support
methods such as heavy gauge,galvanized,electrical channel material that is secured to two (2)or
more wooden studs with 5/16"diameter or larger galvanized lag bolts.
(8)Conductors shall extend a minimum of 450 mm (18 in.)from all mastheads to
permit connection to the connecting overhead wiring.
FPN:See WAC 296-46B-230(5)Drawings E-lOl through E-l03.
FPN:WAC 296-46B-230(5)
18.NEe Article 230.43 Amended:NEC Article 230.43 is amended by adding the
following text to the end of Article 230.43,to read as follows:
22
ORDINANCE NO.§€?§?
Wiring methods for service conductors not exceeding 600 volts,nominal,within a
building or structure is limited to the following methods:(3)Rigid metal conduit;(4)
Intermediate metal conduit;(8)Wireways;(9)Busways;(10)Auxiliary gutters;(11)Rigid
nonmetallic conduit;(12)Cablebus;or (14)Mineral-insulated,metal-sheathed cable (type MI).
FPN:WAC 296-46B-230(8)
Exception:With the approval of the Building Official existing electrical metallic tubing
used for service entrance conductors may be permitted to remain,provided it meets all of the
following conditions:
a.It was installed prior to October 1984
b.It is properly grounded
c.The conduit is installed in a non-accessible location
d.It is the proper size for the installed conductors
FPN:WAC 296-46B-230(9)
19.NEe Article 230.70(A)(l)Amended:NEC Article 230.70(A)(1)is amended by
adding new subsections (a)and (b),to read as follows:
(a)Outside Location:The service disconnect means shall be installed on the building
or structure it serves.The service disconnection means shall be labeled with a plate with 1/2
inch letters providing the following information:
(i)The building or structure served;and
(ii)Its function as the building or structure main service disconnect(s).
FPN:WAC 296-46B-230(13)
(b)Inside Location:Where the service disconnect is installed inside the building or
structure,it shall be located so that the service raceway extends no more than 15 feet inside the
23
ORDINANCE NO.5063
building or structure served.Service disconnecting means,panel boards,subpanels and similar
electrical equipment shall be adequately illuminated.
FPN:WAC 296-46B-230(11)
20.NEC Article 230.70(A)(2)Amended:NEC Article 230.70(A)(2)is amended to
read as follows:
(2)Bathrooms.Service disconnection means,panel boards, subpanels and similar
electrical equipment shall not be installed in bathrooms,clothes closets,or shower rooms.
FPN:WAC 296-46B-230(1l)
21.NEC Article 230.90(A),Exception No.3,Amended:NEC Article 230.90(A),
Exception No.3,is amended by adding new text to the end of Exception No.3,to read as
follows:
Where the service conductors have a lesser ampacity than the overcurrent protection or
the equipment rating that they terminate in or on,an identification plate showing the ampacity of
the conductors must be installed on the service equipment.
FPN:WAC 296-46B-230(7)
23.NEC Article 230.95 Amended:NEC Article 230.95 is amended by adding a
new paragraph following the first paragraph,to read as follows:
Equipment ground fault protection systems shall be performance tested prior to being
placed into service to verify proper installation and operation of the system as determined by the
manufacturer's published instructions.This test or a subsequent test shall include all system
feeders.A firm having qualified personnel and proper equipment must perform the tests
required.A copy of the manufacturer's performance testing instructions and a written
performance acceptance test record signed by the person performing the test must be provided
24
ORDINANCE NO.5063
for the inspector's records at the time of inspection.The performance acceptance test record
shall include test details including,but not limited to all trip settings and measurements taken
during the test.The equipment being tested shall be labeled identifying the date of the test,the
firm performing the test,and all settings for the equipment tested.
FPN:WAC 296-46B-230(14)
24.NEC Article 230.202(B)Amended:NEC Article 230.202(B)is amended by
adding new text to the end of subsection (B),to read as follows:
Wiring methods for service conductors exceeding 600 volts,nominal,within a building
or structure is limited to the following methods:Rigid metal conduit;Intermediate metal
conduit;Busways;Schedule 80 rigid nonmetallic conduit;Cablebus;metal-clad cable that is
exposed for its entire length.
FPN:WAC 296-46B-230(15)
25.NEC Article 250.32(B)(2)Deleted:NEC Article 250.32(B)(2)is hereby deleted.
FPN:WAC 296-46B-250(1)
26.NEC Article 250.50 Amended:NEC Article 250.50 is amended by adding a
new subsection (1),to read as follows:
(1)At each new building or structure served a concrete-encased grounding electrode
consisting of at least 6.0 m (20 ft.)of bare copper conductor sized per Table 250.66,but not
smaller than #4 AWG meeting the requirements of Article 250-52(A)(3)shall be required as part
of the grounding electrode system.Other electrodes of bare or zinc-coated steel reinforcing bars
or rods meeting the requirements of250.52(A)(3)may be used if approved by the Building
Official prior to installation.All electrodes shall be inspected prior to covering,concealing or
the placing of concrete.
25
ORDINANCE NO.5063
Exception:Job site construction trailers,mobile homes and manufactured homes,when
not installed on a pennanent foundation.
27.NEC Article 250.56 Amended:
a.NEC Article 250.56 is amended by changing the last sentence,to read as
follows:
Where multiple rod,pipe,or plate electrodes are installed to meet requirements of this
section,they shall not be less than 4.9 m (16 ft)apart.
b.NEC Article 250.56 is amended by adding a new exception,to read as
follows:
Exception:Temporary power services of 100 amperes or less.
28.NEC Article 250.104(A)Amended:NEC Article 250.104(A)is amended by
adding new text to the end of the first paragraph,to read as follows:
Hot and cold metal water piping systems are not required to be bonded together if,at the
time of inspection,the inspector can detennine the metal water piping systems are mechanically
and electrically joined by one (1)or more metallic mixing valves.Metallic stubs or valves used
in nonmetallic plumbing systems are not required to be bonded to the electrical system unless
required by the equipment manufacturer's instructions.
FPN:WAC 296-46B-250(5)and WAC 296-46B-250(4)
29.NEC Article 250.184(A)Amended:NEC Article 250.184(A)is amended by
adding new subsections (I)and (2),to read as follows:
(1)Existing Installations
(a)The use of a concentric shield will be allowed for use as a neutral
conductor for extension,replacement,or repair,if all of the following are complied with:
26
ORDINANCE NO.__5o_6_3_
(i)The existing system uses the concentric shield as a neutral
conductor;
(ii)Each individual conductor contains a separate concentric shield
sized to no less than 33 1/2%of the ampacity of the phase conductor for 3-phase systems or
lOO%of the ampacity of the phase conductor for single-phase systems;
(iii)The new or replacement cable's concentric shield is enclosed
inside an outer insulating jacket;and
(iv)Existing cable (i.e.existing cable installed directly in the circuit
between the work and the circuit's overcurrent device)successfully passes the following tests:
(1)A cable maintenance high potential dielectric test.The test
must be performed in accordance with the cable manufacturer's instruction or the 2001 NETA
maintenance test specifications;and
(2)A resistance test of the cable shield.Resistance must be
based on the type,size,and length ofthe conductor used as the cable shield using the conductor
properties described in NEC Table 8 Conductor Properties.
An electrical engineer must provide a specific certification to the Building Official or
designated representative in writing that the test results of the maintenance high potential
dielectric test and the resistance test have been reviewed by the electrical engineer and that the
cable shield is appropriate for the installation.The electrical engineer must stamp the
certification document with the engineer's stamp and signature.The document may be in the
form of a letter or electrical plans.
Testing results are valid for a period of seven (7)years from the date of testing.Cable
will not be required to be tested at a shorter interval.
27
ORDINANCE NO.5063
(b)A concentric shield used as a neutral conductor in a multi-grounded
system fulfills the requirements of an equipment grounding conductor.
FPN:WAC 296-46B-250(5)
(2)New Installations
(a)New installations shall not include extensions of existing circuits.
(b)The use of the concentric shield will not be allowed for use as a neutral
conductor for new installations.A listed separate neutral conductor meeting the requirements of
NEC 250.184(A)must be installed.
FPN:WAC 296-46B-250(5)
30.NEe Article 250.184(B)Amended:NEC Article 250.184(B)is amended to read
as follows:
The neutral of a solidly grounded neutral system may be grounded at more than one
point.
(1)Multiple grounding is permitted at the following locations:
(a)Services;
(b)Underground circuits where the neutral is exposed;and
(c)Overhead circuits installed outdoors.
(2)Multiple grounding is not allowed:
(a)For new systems where singlepoint and multigrounded circuits form a
single system (e.g.where a singlepoint circuit is derived from a multigrounded circuit);or
(b)In new single phase (i.e.single phase to ground)installations.
FPN:WAC 296-46B-250(6)
28
ORDINANCE NO.5063
31.NEe Article 250.184(D)Amended:NEC Article 250.184(D)is amended to
read as follows:
Where a multigrounded neutral system is used,the following will apply for new balanced
phase to phase circuits and extensions,additions,replacements;and repairs to all existing
systems of 1 kV and over:
(1)For existing systems:
(a)The cable's concentric shield must be used as the neutral and all the
requirements for neutral conductors described in WAC 296-46B-250-6(a)must be met;or
(b)The cable's concentric shield must be effectively grounded to a separate
bare copper neutral conductor at all locations where the shield is exposed to personnel contact.
(2)For new systems:
A separate copper neutral must be installed and the cable's concentric shield is
effectively grounded to the separate neutral at all locations where the shield is exposed to
personnel contact.
(3)In addition to (1)and (2)of this subsection,the following is required:
(a)A minimum of2 made electrodes,separated by at least 6',must be
installed at each existing and new transformer and switching/overcurrent location and connected
to the neutral conductor at that location;
(b)At least 1 grounding electrode must be installed and connected to the
multigrounded neutral every 400m (1,300 ft.).The maximum distance between.adjacent
electrodes must not be more than 400m (1,300 ft.);
(c)In a multigrounded shielded cable system,the shielding must be grounded
at each cable joint that is exposed to personnel contact;
29
ORDINANCE NO.5063
(d)All exposed noncurrent carrying metal parts (e.g.mounting brackets,
manhole covers,equipment enclosures,etc.)must be effectively grounded to the neutral
conductor;and
(e)An electrical engineer must provide a specific certification to the electrical
plan review supervisor in writing that the design of the multiple grounding installation has been
reviewed by the electrical engineer and the design is in accordance with the requirements of
chapter 19.28 RCW,this chapter,and normal standards of care.The electrical engineer must
stamp the certification document with the engineer's stamp and signature.The document may be
in the form of a letter or electrical plans.
FPN:WAC 296-46B-250(7)
32.NEC Article 300.4(B)(1)Amended:NEC Article 300.4(B)(I)is amended by
adding new text to the end,to read as follows:
The bushings or grommets used to protect the cable must of a two piece interlocking
type.
33.NEC Article 300.11 (A)Amended:NEC Article 300.11 (A)is amended by
adding new text to the end,to read as follows:
Where permitted by the Building Official,raceways,cables,or boxes may be supported
by wires independent of the ceiling support system under the following conditions:
(i)The support wires must be independent of the ceiling support systems and be
capable of securing and supporting the raceways,cables or boxes without reducing the integrity
of the suspended ceiling system;
(ii)The independent support wires shall be a minimum #12 AWG and adequate to
carry the weight and are securely fastened to the building structure and to the ceiling grid;
30
ORDINANCE NO.5063
(iii)Raceways and/or cables are not larger than 3/4"trade size;
(iv)No more than two (2)raceways or cables may be supported by an independent
support wires and are secured to the support wires by fittings designed and manufactured for the
purpose;
(v)Where support wires are installed exclusively for telecommunications cables,
Class 2,or Class 3 cables the maximum number of cables allowed shall not be more than 1-1/2
inch diameter when bundled together.
FPN:WAC 296-46B-300(5)
34.NEe Article 310.12 Amended:NEC Article 310.12 is amended by adding a new
subsection (D),to read as follows:
(D)Each cable operating at over 600 volts and installed on customer owned systems
must be legibly marked in a permanent manner at each termination point and at each point the
cable is accessible.The required marking must use phase designation,operating voltage,and
circuit number if applicable.
FPN:WAC 296-46B-ll 0(7)
35.NEe Article 314.15 Amended:NEC Article 314.15 is amended by adding a
new subsection (C),to read as follows:
(C)Single conductors,cables,taps,or splices installed in open bottom junction boxes
or handholes shall be suitable for direct burial.Open bottom junction boxes manufactured
specifically for electrical use shall be permitted to be used as an electrical junction box to enclose
single conductors,cables,taps,or splices rated for wet locations,under the following conditions:
(1)In vehicular traffic areas the box shall be rated for not less than HS-20
loading required under the latest edition of the American Association of State Highway and
31
ORDINANCE NO.5063
Transportation Officials (AASHTO)publication entitled "Standard Specifications for Highway
Bridges."Covers shall be provided with a bolted,hinged,or slide-on lid embossed with the
identification "ELECTRIC"or "ELECTRICAL."
(2)In incidental vehicular traffic areas (e.g.,parks,sports fields,sidewalks,
grass lawns,etc.)the box shall be rated for not less than HS-1 0 loading.Covers shall be
provided with a bolted,hinged,or slide-on lid embossed with the identification "ELECTRIC"or
"ELECTRICAL."
(3)In non-vehicular traffic areas (e.g.flowerbeds,patio decks,etc.)the box
shall be designed and approved for the purpose.Covers shall be provided with a lid embossed
with the identification "ELECTRIC"or "ELECTRICAL."
(4)All conductors must be installed in approved electrical raceways that enter
vertically from the open bottom of the enclosure.These raceways must be fitted with a bushing,
terminal fitting,or seal incorporating the physical protection characteristics of a bushing,and
project not less than 5 cm (2")above the bottom surface material.The bottom surface material
must be pea gravel or sand a minimum of 5 cm (2")thick or more if required by the box
manufacturer.
FPN:WAC 296-46B-314(1)
36.NEe Article 314.29 Amended:NEC Article 314.29 is amended by adding new
text to the end ofthe first paragraph,to read as follows:
Boxes and conduit bodies shall not be covered with insulation material and shall remain
visible and outside of or above the insulation material.
FPN:WAC 296-46B-314(2)
32
ORDINANCE NO.5063
37.NEC Article 334.10(3)and (4)Amended:NEC Articles 334.10(3)and (4)are
hereby deleted.
38.NEC Article 334.12(A)Amended:NEC Article 334.l2(A)is amended by
adding new subsections (11)and (12),to read as follows:
(11)In Type I or Type II non-combustible construction as defined by the Building
Official.
(12)In any non-residential occupancy as defined by the Building Official.
39.NEC Article 358.12 Amended:NEC Article 358.12 is amended by adding a new
subsection (7),to read as follows:
(7)Installed in direct contact with the earth or in concrete on or below grade.
FPN:WAC 296-46B-358
40.NEC Article 394.12(5)Amended:NEC Article 394.12(5)is amended by adding
a new exception,to read as follows:
Exception:In hollow spaces containing existing knob-and-tube wiring may be allowed to
remain provided that all of the following conditions are met:
(i)The wiring shall be surveyed by an appropriately licensed electrical contractor
who must certify in writing to the Building Official that the wiring is in good condition with no
evidence of improper overcurrent protection,conductor insulation failure or deterioration,and
with no improper connections or splices.The Electrical Inspector must inspect all repairs,
alterations,or extensions to the electrical system;
(ii)The insulation shall meet Class I specifications as identified in the Uniform
Building Code,with a flame spread factor of25 or less as tested using ASTM E84-8la.Foam
insulation may not be used with knob-and-tube wiring;
33
ORDINANCE NO.5063
(iii)All knob-and-tube circuits shall have overcurrent protection in compliance with
NEC Table 310.16,60 degree centigrade,Column C.Overcurrent protection shall be circuit
breakers or Type S fuses.
FPN:WAC 296-46B-394
41.NEe Article 410.30(C)(1)Amended:NEC Article 410.30(C)(1)is amended by
adding a new subsection (3),to read as follows:
(3)The flexible cord connection must comply with the following:
(1)Connection to a suspended pendant box must utilize an integral threaded
hub;
(2)The length ofthe cord for a suspended pendant drop from a permanently
installed junction box to a suitable tension take-up device must not exceed 1.8m (6 ft);
(3)The flexible cord must be supported at each end with an approved cord
grip or strain relief connector fitting/device that will eliminate all stress on the conductor
connections;
(4)The flexible cord must be a minimum #14 AWG copper;
(5)The flexible cord ampacity must be determined in NEC Table 400.5(A)
columnA;
(6)The flexible cord must be hard or extra hard usage;and
(7)A vertical flexible cord supplying electric discharge luminaires must be
secured to the luminaire support as per NEC 334.30(A).
FPN:WAC 296-46B-410(2)
42.NEC Article 422.10(A)Amended:NEC Article 422.l0(A)is amended by
adding new text to the end,to read as follows:
34
ORDINANCE NO.5063
Water heaters with a rated circuit load in excess of3,500 watts at 208 or 240 volts shall
be provided with branch circuit conductors not smaller than #10 AWG copper or equal.
Overcurrent protection shall comply with NEC 422.11 (E).
FPN:WAC 296-46B-422
43.NEe Article 450.27 Amended:NEC Article 450.27 is amended by adding new
text following the last paragraph,to read as follows:
Oil-Insulated transformers located adjacent to building(s)or structures shall comply with
the following:
(1)Transformers shall not be located closer than 2.5 m (8 ft)to any part of a building
or structure constructed of combustible material including any eaves,overhangs or decks;
(2)Transformers shall not be located closer than 900 mm (2 ft)to any part of a
building or structure constructed of non-combustible material including any eaves,overhangs or
decks and must be outside a line extended vertically from the ends of the eaves,overhangs or
rooflines of the building or structure;
(3)Transformers shall not be located closer than 2.5 m (8 ft)to any part of doors,
windows,stairways,ventilation openings,other types of openings of all buildings or structures;
(4)Transformers shall be located such that any oil leaking from the transformer will
flow away from the building or structure and will not pool;and
(5)Transformers located in areas subject to vehicular traffic shall be provided with
adequate guarding.
(6)Enclosures for total underground oil filled transformers shall not be located closer
than 2.5 m (8 ft.)to any part of a doorway,window,stairway or fire escape.Adequate space
35
ORDINANCE NO.5063
must be maintained above the enclosure so that a boom may be used to lift the transformer from
the enclosure.
FPN:WAC 296-46B-450(1)see also WAC 296-46B-450 Figure 450-1 and 450-2.
44.NEe Article 514.11(A)Amended:NEC Article 514.11(A)is amended by
adding new text following the last paragraph,to read as follows:
The disconnecting means shall disconnect all conductors of the circuit supplying all
station dispensers and or pumps (including the grounded conductor)simultaneously from the
source(s)of supply.
FPN:WAC 296-46B-514(2)
For multi-circuit installations,an electrically held normally open contactor operated by a
push-button or other suitable device may serve as the disconnecting means.The push button or
disconnecting device shall not function as the resetting mechanism for the electrically held
contactor.The resetting means shall meet the following:
(1)Located at least 4.5 m (15 ft)or out of sight of the pushbutton;and
(2)Protected by a suitable cover or guard;and
(3)Identified with an approved identification plate that is substantial black in color.
FPN:WAC 296-46B-514(4)
The disconnecting means shall be labeled with an identification plate,with letters at least
1"high,as the emergency disconnecting means.
The disconnecting means or operator must be:
(1)Substantially red in color;and
(2)For attended facilities -Must be readily accessible and must be located outdoors
and within sight of the pump or dispensing equipment it controls;or
36
ORDINANCE NO.5063
(3)For unattended facilities -must be readily accessible and must be located within
sight,but at least 20'from the pump or dispensing equipment it controls.
FPN:WAC 296-46B-514(5)
45.NEe Article 517.31 Amended:NEC Article 517.31 is amended by adding new
text following the last paragraph,to read as follows:
In health care facilities,the following methods must be used to determine adequate
capacity and ratings of equipment providing electrical power for the essential electrical systems.
(1)Systems in new facilities:
(a)Emergency system:The emergency branch must consist of two (2)
branches known as:
(i)Life safety system:The feeder conductors and equipment used to
supply electrical power to the life safety branch must be determined by summation of the
connected loads as determined by article 220 NEC and may not be subjected to any reduction
due to the diversity of the loads.Feeder and equipment will be subject to a 125%multiplier for
continuous loads in accordance with article 220 NEC.
(ii)Critical branch system:The feeder conductors and equipment
must be calculated in accordance with article 220 NEC,including a level of diversity as
determined by such article.
(b)Equipment branch:The feeder conductors and equipment used to supply
electrical power to the equipment branch of the essential electrical system must be calculated in
accordance with article 220 NEC,including a level of diversity as determined by such article.
(c)Generator sizing:The rating of the generator(s)supplying electrical
power to the essential system of a health care facility must meet or exceed the summation of the
37
ORDINANCE NO.5063
loads detennined in (a)and (b)of this subsection with no additional demand factors applied.
Momentary X-ray loads may be ignored if the generator is rated at least 300%of the largest
momentary X-ray load connected.
FPN:WAC 296-46B-517(1)
(2)Existing essential systems in facilities to which additional load is to be added:
(a)Existing loads:The existing loads of the separate branches of the essential
electrical system may be detennined by NEC Article 220.35(1).
(b)Added loads:Added loads to the separate branches of the essential
electrical system must be detennined by subsection(s)of this section.
(c)Generator sizing:The rating of the generator(s)supplying electrical
power to the essential electrical system must meet or exceed the summation of the loads
detennined by (a)and (b)of this subsection with no additional demand factors applied.
FPN:WAC 296-46B-517(2)
46.NEC Article 520.44 Deleted:The NEC Article 520.44 table is deleted and all
references to Table 520.44 in NEC Article 520 are deleted.The ampacity of conductors shall be
detennined as provided in NEC Article 400.
FPN:WAC 296-46B-520(2)
47.NEC Article 527.4(G)Amended:NEC Article 527.4(G)is amended by
changing the first sentence to read as follows:
On constructions sites,a box shall not be required for splices or junction connections
where splices of conductors are less than 2.5 m (8 ft)from grade or floor level or where subject
to contact from personnel.
FPN:WAC 296-46B-527(2)
38
ORDINANCE NO.5063
48.NEC Article 553.4 Amended:NEC Article 553.4 is amended to read as follows:
The service equipment for floating buildings and similar facilities shall have a readily
accessible service rated disconnect be located on the shoreline within sight of the shoreline
connection of the dock,wharf or similar structure to which the floating building or similar
facility is moored.
FPN:WAC 296-46B-553(1)
49.NEC Article 553.6 Amended:NEC Article 553.6 is amended by adding new
text following the first paragraph,to read as follows:
Floating buildings or similar facilities shall have a disconnecting means located within
sight of each floating building or similar facility.The disconnecting means shall be installed
adjacent to but not in or on,the floating building or similar facility.
FPN:WAC 296-46B-553(2)
50.NEC Article 553.7(B)Amended:NEC Article 553.7(B)is amended by adding
new text following the first paragraph,to read as follows:
Where flexible cables or cords are used they shall comply with Article 555.13(2).
Conductors operating in excess of 600 volts,nominal,shall not be installed on floating portions
of a floating building or similar facility.
FPN:WAC 296-46B-553(3)and (4)
51.NEC Article 555.1 Amended:NEC Article 555.1 is amended by changing the
last paragraph to read as follows:
Private,non-commercial docking facilities constructed or occupied for the use of the
owner or residence of the associated single family dwelling are covered by this article.
FPN:WAC 296-46B-555(1)
39
ORDINANCE NO.5063
52.NEC Article 555.5 Amended:NEC Article 555.5 is amended to read as follows:
Transformers and enclosures shall be specifically approved for the intended location.The
bottom of enclosures for transformers shall be located a minimum of 12"above the deck of a
dock.
FPN:WAC 296-46B-555(2)
53.NEC Article 555.7 Amended:NEC Article 555.7 is amended to read as follows:
The service equipment for floating docks or marinas shall be located adjacent to and
within sight but not on or in,the floating structure.
FPN:WAC 296-46B-555(3)
54.NEC Article 555.9 Amended:NEC Article 555.9 is amended by adding a new
exception,to read as follows:
Exception:Connections approved for wet locations.
FPN:WAC 296-46B-555(4)
55.NEC Article 555.10(B)Amended:NEC Article 555.1O(B)is amended by
adding new text following the first sentence of subsection (B),to read as follows:
All enclosures must be corrosion resistant,gasketed enclosures must be arranged with a
weep hole to discharge condensation.
FPN:WAC 296-46B-555(6)
56.NEC Article 555.13(B)(I)Amended:NEC Article 555.13(B)(I)is amended by
changing the first paragraph to read as follows:
(1)Overhead Wiring.Overhead wiring shall be installed to avoid possible contact
with masts and other parts of boats being moored,stored,serviced or moved.
FPN:WAC 296-46B-555(7)
40
ORDINANCE NO.5063
57.NEe Article 555.19 Amended:NEC Article 555.19 is amended by adding new
text following the first sentence,to read as follows:
Shore Power Receptacles that provide shore power for boats must be rated not less than
20 amperes and must be single outlet type and must be of the locking and grounding type or pin
and sleeve type.
FPN:WAC 296-46B-555(8)
58.NEe Article 555.21 Amended:NEC Article 555.21 is amended by adding new
text following the first sentence,to read as follows:
(A)Boundary classifications.
(1)Class I,Division 1.The area under the dispensing unit is a Class I,
Division 1 location.If a dock has one or more voids,pits,vaults,boxes,depressions,or similar
spaces where flammable liquid or vapor can accumulate below the dock surface and within 20'
horizontally of the dispensing unit,then the area below the top of the dock and within 20'
horizontally of the dispensing unit is a Class I,Division 1 location.
FPN:WAC 296-46B-Figure 555-1
(2)Class I Division 2.The area 18"above the water line and within 20'
horizontally of the dispensing unit is a Class I,Division 2 location.If a dock has one or more
voids,pits,vaults,boxes depressions,or similar spaces where flammable liquid or vapor can
accumulate below the dock surface and within 20'horizontally ofthe dispensing unit,then the
area to 18"above the top and adjacent to the sides of the dock and within 20'horizontally of the
dispensing unit is a Class I,Division 2 location.
FPN:WAC 296-46B-Figure 555-2
FPN:WAC 296-46B-555(9)
41
ORDINANCE NO.5063
(B)Portable power cable.Portable power cable will be allowed as a permanent
wiring method in Class 1,Division 2 locations when protected from physical damage.
FPN:WAC 296-46B-555(9)(b)
59.NEC Article 600.3 Amended:NEC Article 600.3 is amended by adding new
text following the fIrst paragraph,to read as follows:
Electric signs within the scope of Underwriters Laboratories Standards for Electric Signs
UL 48 shall be listed.Electric signs not covered under the Standards for Electric Signs UL 48
shall be required to be installed in conformance with this Code or be field evaluated by an
accredited electrical products testing laboratory.
FPN:WAC 296-46B-600(l)and (7)
60..NEC Article 600.10(C)Amended:NEC Article 600.1 O(C)is amended by
adding new text following the fIrst sentence,to read as follows:
Each portable or mobile sign shall have a receptacle outlet,which complies with
406.8(B),installed within 1.8 m (6 ft)ofthe sign.
FPN:WAC 296-46B-600(5)
61.NEC Article 600.10 Amended:NEC Article 600.10 is amended by adding a new
subsection (E),to read as follows:
(E)Supply.Extension cords shall not be permitted to supply portable or mobile
signs.
FPN:WAC 296-46B-600(6)
62.NEC Article 600.21 Amended:NEC Article 600.21 is amended by adding a
new subsection (G),to read as follows:
42
ORDINANCE NO.5063
(G)Outside Awnings.Luminaires installed in outdoor awnings shall be of a type that
is suitable for wet locations and be connected by a wiring method suitable for wet locations.
Fluorescent luminaires shall be installed so that no part of the luminaire is located closer that 6"
to the awning fabric.Incandescent luminaires shall be installed so that no part of the luminaire is
located closer than 18"to the awning fabric.Luminaires installed in outside awnings shall be
controlled by a disconnect installed in conformance with 600.6.
FPN:WAC 296-46B-600(2)and (3)
63.NEC Article 600.30 Amended:NEC Article 600.30 is amended to read as
follows:
Applicability.Part II of this article shall apply to all field-installed skeleton tubing and
neon circuit conductors.These requirements are in addition to the requirements in Part I.
FPN:WAC 296-46B-600(8)
64.NEC Article 680.4 Amended:NEC Article 680.4 is amended by adding new
text following the first paragraph,to read as follows:
Electrical components,which have failed and require replacement,shall be replaced with
identical products unless the replacement part is no longer available;in which case,a like-in-
kind product may be substituted provided the mechanical and grounding integrity of the
equipment is maintained.
FPN:WAC 296-46B-680(8)
65.NEC Article 680.12 Amended:NEC Article 680.12 is amended by adding a
new subsection (A),to read as follows:
43
ORDINANCE NO.5063
(A)Location.The maintenance disconnect for a swimming pool,hot tub,spa,or
swim spa shall not be located closer than 5'from the inside wall of the pool,hot tub,spa,or
sWIm spa.
FPN:WAC 296-46B-680(4)
66.NEC Article 680 Amended:NEC Article 680 is amended by adding a new
Section,680.13,to read as follows:
680.13 Field Installed Equipment.Field installed electrical equipment for a
swimming pool,hot tub,spa or swim spa shall not be located closer than 5'from inside wall of
the swimming pool,hot tub,spa or swim spa.The 5'separation may be reduced by the
installation of a permanent barrier,such as a solid wall,fixed glass windows or doors,etc.The
5'separation shall be determined by the shortest path or route that a cord can travel from the spa,
hot tub,swim spa,or swimming pool to the equipment.
Field installed electrical equipment must meet the following additional requirements:
(1)Heaters are listed as a "swimming pool heater or a spa heater";
(2)Pumps are listed as a "swimming pool pump"or "spa pump"or "swimming
pool/spa pump";
(3)Other equipment such as panelboards,conduit,and wire are suitable for the
environment and comply with the applicable codes.
(4)The field assembly or installation of "recognized components"shall not be
permitted.
FPN:WAC 296-46B-680(4)
67.NEC Article 680.40 Amended:NEC Article 680.40 is amended by adding new
subsections (A)and (B),to read as follows:
44
ORDINANCE NO.5063
(A)Modular,Self-Contained Spa or Hot Tubs.Equipment assemblies for self-
contained spas or hot tubs shall be installed within 1.5 m (5 ft.)from the inside wall of the spa or
hot tub.Equipment assemblies shall be listed or field evaluated as a unit with the spa or hot tub
FPN:WAC 296-46B-680(1)
(B)Packaged Spa or Hot Tub Equipment Assemblies.Equipment assemblies (skid
pack)pre-packaged by a factory shall not be installed closer than 1.5 m (5 ft.)from the inside
wall of the spa or hot tub and shall be listed as a package unit.
FPN:WAC 296-46B-680(2)
68.NEC Article 680.70 Amended:NEC Article 680.70 is amended by adding new
text following the first paragraph,to read as follows:
Hydromassage bathtubs must be listed as a unit and bear a listing mark which reads
"Hydromassage bathtub."
FPN:WAC 296-46B-680(6)
69.NEC Article 700.9(A)Amended:NEC Article 700.9(A)is amended to read as
follows:
(A)Identification.All boxes and enclosures larger than 150 mm (6 in.)by 150 mm (6
in.)(including transfer switches,generators and power panels)for emergency circuits shall be
permanently marked with an identification plate that is orange in color so they will be readily
identified as a component of the emergency circuit or system.All other device and junction
boxes for emergency systems and circuits must be orange in color,both inside and outside.
FPN:WAC 296-46B-700(4)
70.NEC Article 760.10 Amended:NEC Article 760.10 is amended by adding new
text following the first paragraph,to read as follows:
45
ORDINANCE NO.5063
Device and junction boxes for fire alann systems other than the surface raceway type,
shall be red in color,both inside and outside.Power-limited fire protective signaling circuit
conductors shall be durably and plainly marked in or on junction boxes or other enclosures to
indicate that it is a power-limited fire protective signaling circuit.
FPN:WAC 296-46B-700(3)
46
ORDINANCE NO.5063
72.FIGURES AND DRAWINGS
a.WAC 296-46B-230 Drawing E-lOl
47
0"'
~n
tv
ID
0\
I
~
0\
tx:i
Itv
0w
0 §d
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~
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Z-0
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U1
0
(j)w
strucbiml /
F~aDd ••."",.,.
FiaishMa~
'S/16t1
U-Bolts
2ltx4"
Baclrfng
..
Service Mast Installation Details
Drawing 6-102
OlJYING.STIFF LBO TYPB
0/4"~Ga:fv.Cooduit
Of Bqual.Bnda Flattened
BDdDrllkd
Sbrplklnd
NoRadhm 1
See Dctail2 +
CoIlm.Cyclone
Fence Clamp or Equal
with 31811 min.Bolt Size
Pull
MAST OVBR.26"mClHMedlodof
LSmiccDrop
ScrviJz HmQket
Flaahing (l)Of~~~/cidBilonlllOl)
~
Blocking
BatwetlJ1
Mutsnd
Building GalVBIIi200 Thimble"~Rigid.aod~le~'-;j......--Stool Cooduit FIII3biDg ""Maolic:1"""'--~GalVBDizl:d f::--~
Boh.
B}'&-Bolt
Optiuoal~
\
De1aiI
GUYING.CABLE TYPE
N~~~~.
«Equal
~
00
MAST NOT OVHR2611 mGH
Front View
MAST OVER 26"IDGH
~
Service Drop Wcaillerl1ead--..~Service Bmcket-......
No.6 Copperweldt Flashing >
Aircraft Cable -........U \n
~Galvanized
NorEqual\0
0\
I
Pipe Clamp..j::>..
Galvanized 0\
toRigidSteelLag-Bolts I
N~Conduit Into Framing w 00
~Flashin8 ~Heavy-Wall tJ §
>-j Z'strut,.Tvne Min.2"x61t ~Between ....~::s
Rafters OQ
I Scalwith ~~~I m./\~With Hole t'I1 n
I I t'I1.j::>..Fla&biDgor Bored For .......Z\0 0
Mastic.-'"Approved Snug Fit w 0......Galvanized
Ey&-bolt
OptionaL .Channel
(rGJll )1t1fI ~I I~Straps..-Rigid Steel
Not Wire Conduit
Typct
Typical
SBBNOTE6 Service Mast Installation Details
Drawing E-103
ORDINANCE NO.5063
d.Figure 450-1 and 450-2 from WAC 296-46B
f:eiiilHK:litl Nt
&Ilidlna
:&tufrie.o IIIL
Approved
Transformer
AY-ea
Nm.-
CDlieu.-.reti1l
I!!ilII9tg
llurNtii!
Approved
TransJfDrmer
Area
50
SECTION IV.
30 days after publication.
ORDINANCE NO.5063
This ordinance shall be effective upon its passage,approval,and
PASSED BY THE CITY COUNCIL this 23rd day of February
Bonnie 1.Walton,City Clerk
,2004.
APPROVED BY THE MAYOR this 23rd day of F_e_b_r_u_a_r-=y ,2004.
Approved as to form:
£~~~
Lawrence 1.Warr"-en,City Attorney
Date of Publication:2/27/2004 (summary)
ORD.l 091:1/27/04:ma
51