Washington Master Signs (EL04) License

The Master Signs (EL04) License allows you to do the following work:

  • Supervise electrical work and electricians on the following:
    • Maintenance, repair, or replacement of:
      • Like-in-kind existing electrical utilization equipment
      • All permit exempted work except for the replacement or repair of circuit breakers
    • Limited to equipment and circuits to:
      • A maximum of 277 volts and 20 amperes for lighting branch circuits only
      • Maximum 250 volts and 60 amperes for other circuits.
    • Replacement of luminaires limited to:
      • In-place replacement required by failure of the luminaire to operate
    • Relocation of Luminaires installed in suspended lay-in tile ceilings providing:
      • The original field installed luminaire supply whip is not extended or relocated to a new supply point
      • That a manufactured wiring assembly supplies luminaire power, a luminaire may be relocated no more than eight feet providing the manufactured wiring assembly circuiting is not changed
    • Disconnection and reconnection of:
      • Low-voltage control and line voltage supply whips not over six feet in length provided there are no modifications to the characteristics of the branch circuit
    • "Electrical equipment" does not include:
      • Electrical conductors
      • Raceway or conduit systems external to the equipment or whip

Washington Master Signs (EL04) Licensees CANNOT perform any plumbing work.

How to Get the Master Signs (EL04) License in Washington?

  1. Meet the requirements for the certification level:
    • Be certified as an electrician for at least 2 years
  2. Gather the followinginformation before applying for the exam with PSI©:
    • Social Security Number
    • Mailing address
    • Email address
    • Corresponding fees
  3. Fill out the Application for Master Signs (EL04) Examination and send it, 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. Refer to the list of local offices before visiting
  4. Expect a response by mail from the Labor & Industries department along with instructions on scheduling the exam once the application has been reviewed
  5. Take and pass the master examination. For further 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 as a designated master electrician to an electrical contractor and submit it with the corresponding fee

Washington Master Signs (EL04) License Exam Prep Courses

Washington Master Signs (EL04) License Exams

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

Washington Master Signs (EL04) Trade Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 40
  • Types of Questions: Multiple choice
  • Time Allowed: 180 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 (1)
    • NEC 230 - Services (3)
    • NEC 240 - Overcurrent Protection (4)
    • NEC 250 - Grounding & Bonding (4)
    • NEC 300-398 - Wiring Methods (10)
    • NEC 400-427, 455-480 - Electrical Equipment (2)
    • NEC 430-450 - Motors, HVAC, Generators & Transformers (2)
    • NEC 600-695 - Special Equipment (6)
    • General Trade Knowledge & Theory (5)
  • PSI© Master Signs (EL04) Official Content Outline

Washington Master Signs (EL04) WA Codes Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 20
  • Types of Questions: Multiple choice
  • Time Allowed: 60 Minutes
  • Minimum Passing Score: 70%
  • Subjects Involved (No. of Questions):
    • Washington Laws & Rules (RCW & WAC) (20)
  • PSI© WA Codes Official Content Outline

Washington Master Signs (EL04) Book Set

This set of books includes all required references for the Master Signs (EL04) 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 SIGNS (EL04) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $349.45
  • WASHINGTON MASTER SIGNS (EL04) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $399.45

Washington Master Signs (EL04) Exam Books

Books Allowed in Testing

Washington Master Signs (EL04) WA Codes Exam Books

Books Allowed in Testing