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Washington Restricted Nonresidential Maintenance (7C) Contractor License

The Restricted Nonresidential Maintenance (7C) Contractor License allows you to do the following work:

  • 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
  • Work 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
    • 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

The Restricted Nonresidential Maintenance (7C) licensees CANNOT perform any plumbing work.

How to Get the Restricted Nonresidential Maintenance (7C) 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):
    • Restricted Nonresidential Maintenance (7C):
      • 2,000 hours of work experience related to the selected specialty as an electrical trainee
      • 24 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 with PSI© and schedule the examination once the application has been 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 Restricted Nonresidential Maintenance (7C) Contractor License Exam Prep Courses

  • WASHINGTON RESTRICTED NONRESIDENTIAL MAINTENANCE (7C) CONTRACTOR (PSI©) COURSE

    Login credentials emailed upon enrollment

    Unlimited access (no time limits)

    Lecture videos

    Practice questions

    Key concepts

    Step-by-step solutions to math problems

    Live review

    classes
    $525.00
    $525.00

  • WASHINGTON WA CODES EXAM (PSI©) COURSE

    Login credentials emailed upon enrollment

    Unlimited access (no time limits)

    Lecture videos

    Practice questions

    Key concepts

    Step-by-step solutions to math problems

    Live review

    classes
    $340.00
    $340.00

Washington Restricted Nonresidential Maintenance (7C) Contractor License Exams

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

Washington Restricted Nonresidential Maintenance (7C) Contractor Trade Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 24
  • 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 240 - Overcurrent Protection (3)
    • NEC 250 - Grounding & Bonding (2)
    • NEC 300-398 - Wiring Methods (2)
    • NEC 400-427, 455-480 - Electrical Equipment (2)
    • NEC 430-450 - Motors, HVAC, Generators & Transformers (1)
    • NEC 500-516 - Hazardous Locations (1)
    • NEC 517-590 - Special Occupancies (1)
    • NEC 600-695 - Special Equipment (2)
    • NEC 700-702 - Emergency & Standby Systems (2)
    • General Trade Knowledge & Theory (3)
  • PSI© Restricted Nonresidential Maintenance (7C) Official Content Outline

Washington Restricted Nonresidential Maintenance (7C) 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 Restricted Nonresidential Maintenance (7C) Contractor Book Set

This set of books includes all required references for the Restricted Nonresidential Maintenance (7C) 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 RESTRICTED NONRESIDENTIAL MAINTENANCE (7C) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $340.57

  • WASHINGTON RESTRICTED NONRESIDENTIAL MAINTENANCE (7C) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $390.57

Washington Restricted Nonresidential Maintenance (7C) Contractor Exam Books

Books Allowed in Testing

Washington Restricted Nonresidential Maintenance (7C) WA Codes Exam Books

Books Allowed in Testing

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Written by Jimena Manzi