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rentonwa.gov/permitcenter | permittech@rentonwa.gov | 425-430-7215 2/12/2024 | Page 1 of 1
CITY OF RENTON Ι PERMIT CENTER
ELECTRICAL PLAN REVIEW REQUIREMENTS
Plan review required for: Electrical service 400 amps and over, Hospitals, Nursing home unit or long term
care units, Schools, Boarding homes, Assisted living facilities, Private alcoholism hospitals, Alcoholism
treatment facilities, Private psychiatric hospitals, Maternity homes, and Ambulatory surgery facilities.
ITEMS REQUIRED FOR ELECTRICAL PLAN REVIEW SUBMITTAL
1. Indicate building use (or portion of) per WAC 296-46B-900-(1). Include the basis for designation of any special
occupancy or classified location(s).
2. Electrical Engineer’s stamp and signature shall be on all Educational Facilities, Hospitals, and Nursing Homes; All
services or feeders rated 1,600 amperes or larger, all installations identified in the National Electrical Code
requiring engineering supervision.
3. Symbol legends.
4. Circuit connecting lines with home runs shown for all equipment, lighting, and receptacle symbols.
5. One-line riser diagram; including available fault current; Available Interrupt Current (AIC) ratings of switchboards
and/or panel boards, and equipment bracing. Riser diagrams and load calculations must be complete to the point
of connection between the facilities of the serving utility and the premises wiring. Identify all service and feeder
conductors, including conductor size, material, insulation, and overcurrent protection, conduit size, number, and
type. Show transformer primary/secondary voltage and KVA size.
6. Provide panel and switchboard schedules showing overcurrent protection, conductor size, insulation, type, and
branch circuit loads.
7. Provide load calculations for all panel boards and other distribution equipment affected by the electrical work
being done. Include total connected load, demand factors, and calculated loads.
8. Verify the street address (inspection address) for this project.
9. Floor plan views including lighting schedule and energy code switching requirements (occupancy sensors,
daylighting, automatic shut off controls, photosensors) of electrical installation or alteration.
10. Adequate capacity and rating shall be indicated when existing service feeder has additional loads added.
11. Indicate if service or feeder is to be altered or installed.