Washington Master Residential (EL02) License

The Master Residential (EL02) License allows you to do the following work:

• Supervise electrical work and electricians on the following:
  • Telecommunications, low voltage, and line voltage wiring of:
    • One-and two-family dwellings
  • Construction of:
    • Multifamily dwellings of types III, IV or V when there are not more than six stories of multifamily dwellings of types III, IV or V
    • Above grade or above types I or II
  • Wiring of:
    • Nonmetallic sheathed cable except for:
      • Services and/or feeders
      • Exposed installations where physical protection is required
      • Wiring buried below grade
    • Ancillary structures located on the same property and under the same ownership as the dwelling structure(s) such as, but not limited to:

      • Appliances
      • Equipment
      • Swimming pools
      • Septic pumping systems
      • Domestic water systems
      • Limited energy systems (e.g., doorbells, intercoms, fire alarm, burglar alarm, energy control, HVAC/refrigeration, etc.)
      • Multifamily complex offices/garages
      • Site lighting when supplied from the residence or ancillary structure
      • Other structures directly associated with the functionality of the residential units
  • Excluded from wiring of:

    • Any portion of any occupancy of types I or II construction
    • Commercial occupancies such as: Motels, hotels, offices, assisted living facilities, or stores
    • Services, generators, HVAC/refrigeration equipment, fire pumps or other equipment that serve other than one- and two-family dwellings, or multifamily dwellings of types III, IV, or V construction or ancillary structures
    • Interconnected electric power production sources not connected to:
      • Equipment that supplies one- and two-family dwellings
      • Multifamily dwellings of types III, IV or V construction
      • Ancillary structures
    • Any portion of wiring for conveyances serving more than one residential dwelling unit

Classification of types of construction are as determined by the local building official.

How to Get the Master Residential (EL02) License in Washington?

1. Meet the requirements necessary for the certification level:
   • Have an electrician certificate issued by the department for at least two years
2. Obtain the following information before doing the application process with PSI©:
   • Social Security Number
   • Mailing address
   • Email address
   • Corresponding fees
3. Fill out and submit the Application for the Master Residential (EL02) Examination along with all the previous documents, to:
   Electrical Program
   PO Box 44460
   Olympia, WA 98504-4460
   The Washington State Department of Labor & Industries allows candidates to apply in person. Please refer to the list of local offices before visiting
4. Expect a notice by mail from the Labor & Industries department and instructions on exam scheduling once the application is reviewed
5. Take and pass the examination. For more information on the subjects and study material needed to prepare for the exam, refer to the Candidate Information Bulletin
6. Complete a Change Assignment of Master Certificate form to be assigned to an electrical contractor and submit it with the corresponding fee

Washington Master Residential (EL02) License Exam Prep Courses

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Washington Master Residential (EL02) License Exams

Below is all the information related to the trade and WA Codes exams, including the official reference lists.

Washington Master Residential (EL02) Book Set

This set of books includes all required references for the Master Residential (EL02) and WA Codes exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

Washington Master Residential (EL02) Exam Books

Books Allowed in Testing

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Washington Master Residential (EL02) WA Codes Exam Books

Books Allowed in Testing

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