Washington Residential (EL02) Contractor License

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

  • 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 Residential (EL02) Contractor’s License in Washington?

  1. Be an electrical trainee or have equivalent out-of-state or military experience
  2. Meet the experience and training requirements (You can use the Washington Department of Labor & Industries’ tool to verify the hours of experience):
    • Residential (EL02):
      • 4,000 hours of work experience related to the selected specialty as an electrical trainee
      • 48 hours of basic classroom instruction
      • Be supervised 75% of the time
  3. Fill out the corresponding application form for the electrical examination:
  4. Mail the application and the documents needed to certify the experience required for each license to:
    Electrical Licensing and Certification
    PO Box 44460
    Olympia WA 98504-4460
  5. Register to PSI© and schedule the examination once the application is reviewed by the Washington State Department of Labor & Industries. For more information on the test, refer to PSI©’s Electrical Certification Candidate Information Bulletin

Washington Residential (EL02) Contractor License Exam Prep Courses

Washington Residential (EL02) Contractor License Exams

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

Washington Residential (EL02) Contractor Trade Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 40
  • Types of Questions: Multiple choice
  • Time Allowed: 120 Minutes
  • Minimum Passing Score: 70%
  • Subjects Involved (No. of Questions):
    • NEC 90 - Introduction (1)
    • NEC 100-110 - General Requirements (2)
    • NEC 200-225, 280-285 - Wiring & Protection (2)
    • NEC 230 - Services (3)
    • NEC 240 - Overcurrent Protection (5)
    • NEC 250 - Grounding & Bonding (5)
    • NEC 300-398 - Wiring Methods (7)
    • NEC 400-427, 455-480 - Electrical Equipment (1)
    • NEC 430-450 - Motors, HVAC, Generators & Transformers (3)
    • NEC 500-516 - Hazardous Locations (1)
    • NEC 517-590 - Special Occupancies (1)
    • NEC 600-695 - Special Equipment (1)
    • NEC 700-702 - Emergency & Standby Systems (1)
    • NEC 705-780 - Special Conditions (1)
    • General Trade Knowledge & Theory (6)
  • PSI© Residential (EL02) Official Content Outline

Washington Residential (EL02) Contractor WA Codes Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 17
  • Types of Questions: Multiple choice
  • Time Allowed: 60 Minutes
  • Minimum Passing Score: 70%
  • Subjects Involved (No. of Questions):
    • Washington Laws & Rules (RCW & WAC) (17)
  • PSI© WA Codes Official Content Outline

Washington Residential (EL02) Contractor Book Set

This set of books includes all required references for the 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 RESIDENTIAL (EL02) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $349.45
  • WASHINGTON RESIDENTIAL (EL02) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $399.45

Washington Residential (EL02) Contractor Exam Books

Books Allowed in Testing

Washington Residential (EL02) WA Codes Exam Books

Books Allowed in Testing