Washington Limited Energy System (EL06) Contractor License

The Limited Energy System (EL06) Contractor License allows you to do the following work:

  • 30 volts and less low-voltage systems
  • All telecommunications work
  • Perform work limited to:
    • The installation of signaling and power limited circuits and related equipment
    • Low-voltage circuits
    • Telecommunications
    • HVAC/refrigeration low-voltage wiring
    • Fire protection signaling systems
    • Intrusion alarms
    • Energy management and control systems
    • Industrial and automation control systems
    • Lighting control systems
    • Commercial and residential amplified sound
    • Public address systems
    • Similar low-energy circuits and equipment in all occupancies and locations
  • Work with line voltage connections:
    • When a line voltage connection is removed and reconnected to a replacement component located inside the control cabinet, the replacement must be:
      • Like-in-kind
      • Replaced using the equipment manufacturer's authorized replacement component
    • The line voltage circuit is limited to 120 volts 20 amps maximum and must have a means of disconnect
    • Repair or replace line voltage connections terminated inside the cabinet to:
      • Power supplies internal to the low voltage equipment provided there are no modifications to the characteristics of the branch circuit/feeder load being supplied by the circuit

The Limited Energy System (EL06) Contractor License DOES NOT allow you to do the following work:

  • Replace or modify the line voltage circuit or cabling
  • Alter the means of connection of the line voltage circuit to the power supply or to the control cabinet

How to Get the Limited Energy System (EL06) 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):
    • Limited Energy System (EL06):
      • 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 further information on the test, refer to PSI©'s Electrical Certification Candidate Information Bulletin

Washington Limited Energy System (EL06) Contractor License Exam Prep Courses

  • 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
  • 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 Limited Energy System (EL06) Contractor License Exams

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

Washington Limited Energy System (EL06) Contractor Trade Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 34
  • 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 240 - Overcurrent Protection (3)
    • NEC 250 - Grounding & Bonding (3)
    • NEC 300-398 - Wiring Methods (5)
    • NEC 400-427, 455-480 - Electrical Equipment (3)
    • NEC 430-450 - Motors, HVAC, Generators & Transformers (1)
    • NEC 500-516 - Hazardous Locations (2)
    • NEC 600-695 - Special Equipment (1)
    • NEC 705-780 - Special Conditions (6)
    • NEC 800-830 - Communication Systems (3)
    • General Trade Knowledge & Theory (3)
  • PSI© Limited Energy System (EL06) Official Content Outline

Washington Limited Energy System (EL06) 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 Limited Energy System (EL06) Contractor Book Set

This set of books includes all required references for the Limited Energy System (EL06) 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 LIMITED ENERGY SYSTEM (EL06) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $340.57
  • WASHINGTON LIMITED ENERGY SYSTEM (EL06) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $390.57

Washington Limited Energy System (EL06) Contractor Exam Books

Books Allowed in Testing

Washington Limited Energy System (EL06) WA Codes Exam Books

Books Allowed in Testing