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Electrical Inspection Basics

The basics for home and business owners ...

Electrical Inspections

All electrical installations must have an electrical inspection performed to ensure the installation meets the minimum electrical safety requirements. L&I's goal is to be consistent when applying the laws and rules of electrical installations.

Whoever issued the permit is responsible for the inspection

In general, either L&I or the city issuing the permit has the responsibility of inspecting the installation. L&I performs inspections statewide for both new and altered electrical systems in all types of installations (RCW 19.28).

Consult this list of Washington cities that do their own electrical inspections. If your electrical installation is in one of these cities, you will need to contact them. City inspection standards must meet or exceed those required by L&I.


For more information:
Go to Electrical Work on Residential Property: What You Should Know Before Work Begins to get the following:

  • A list of examples of electrical work that either require or do not require a permit and inspection.
  • Helpful suggestions about how to protect your home and family by getting the proper electrical work permits and inspections.
  • Detailed instructions and helpful hints about the electrical permit and inspection process.

Go to Homeowner Residential Wiring Guidelines (198 KB PDF) to get:

  • Basic installation requirements for a single-family dwelling.

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