Electrical

This application is for the installation or alteration of electrical systems.

Below are the minimum required submittal items. Failure to submit all requested items (in a legible form) will delay processing of your application.

  1. Electrical Plans (not required for one and two-family dwellings) showing the following items (as applicable):
    • Floor plan or site layout to show the area where the electrical work is to occur
    • North arrow
    • Proposed use or occupancy of the various portions of the building in which the electrical work is to occur
    • A complete riser diagram
    • Calculated load schedule and demand factor selected for each branch circuit, feeder, sub-feeder, main feeder, service panel, and circuit schedules 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 distributions panels
    • Wattage (vA), number of sockets and types of luminaire9s)
    • Wattage (vA) 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
  2. 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)
  3. Any other information pertinent to the project, or as required by the plans examiner
  4. Engineer's stamp and signature on the electrical plans are required in the following cases:
    • Educational facilities, hospitals and nursing homes
    • Services or feeders rated 1600 amperes or larger
    • Installations identified in the NEC as requiring engineering supervision
    • When required by the Building Official for installations which by their nature are complex, hazardous or pose unique design problems
  5. 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

Additional/supplemental documents. These items will require electrical plan review:

  1. Installations or alterations of service or feeders rated over 400 amps
  2. Commercial generator installations or alterations (unless loads are cord and plug connected)
  3. Educational, institutional, health or personal care occupancies
  4. Changing 50% or more of the interior luminaires, increasing the lighting load or creating enclosed spaces
  5. Exterior lighting—see commercial and multi-family exterior lighting requirements — Crime Prevention Through Environmental Design (CPTED) for additional requirements
  6. Installation of switches or circuit breakers rated 400 amps or more
  7. Addition of over 400 amps of new load to an existing service or feeder
  8. Hazardous (classified) locations as defined by the NEC
  9. Commercial charging stations
  10. Temporary power