Electrical Permit Checklist
Page 1 of 1
Updated 6/29/2017
Department of Community Development
801 228th Avenue SE
Sammamish, WA 98075-9509
Phone: 425-295-0500
Fax: 425-295-0600
Web: www.sammamish.us
www.mybuildingpermit.com
Electrical Permit Checklist
This checklist is only required for specific types of electrical work. See Page 2 of the Electrical Permit Application
for applicable scenarios.
� Electrical Permit Application (completely filled out)
� For residential roof-mounted solar panels, use the Electrical Permit Checklist for Residential Solar
Photovoltaic Systems instead of this checklist.
� Electrical plans (not required for one and two-family dwellings). Show the following, as applicable. See
Electrical Permit Application for information regarding when electrical plans are required.
� Floor plan or site layout to show the area where the electrical work is to occur.
� North arrow indicating the direction north.
� The proposed use or occupancy of the various portions of the building in which the electrical work is
to occur.
� A complete riser diagram.
� The calculated load schedule and demand factor selected for each branch circuit, feeder, sub-
feeder, main feeder, service panel, and circuit schedules shall be shown.
� Fault current calculations and the listed interrupting rating for each service and/or feeder.
� Legend or key to any symbols used.
� Letters and numbers designating mains, feeders, branch circuits, and distribution panels. Wattage,
number of sockets and types of lighting fixtures.
� Wattage and purpose of all other outlets.
� Voltage at which any equipment will operate.
� Identification of size of wires, type of insulation, and all conduit sizes.
� Lighting Budget Calculations (not required for one and two-family dwellings). Compliance forms and related
information may be found at the Northwest Energy Efficiency Council (NEEC).
� Any other information pertinent to the project, or as required by the plans examiner.
� Engineer's stamp and signature on the electrical plans in the following cases:
Educational facilities, hospitals and nursing homes.
Services or feeders rated 1600 amperes or larger.
Installations identified in the NEC that require engineering supervision.
As required by the Building Official for installations which by their nature are complex,
hazardous or pose unique design problems.
� Owner/Renter/Lessee Affidavit to be provided when the property owner, renter or lessee chooses to
purchase a permit to do an electrical installation on his/her own or qualified leased property under the
conditions as described in RCW 19.28.261.
