Connecticut Electrical Lines (L-1) Contractor License

The Electrical Lines (L-1) Contractor License allows you to do the maintenance, installation, and repair of:

  • Traffic signal
  • Highway lighting
  • All high-voltage cable splicing
  • Pulling wire for all systems in excess of 2,400 volts
  • Only work limited to line construction, including:
    • Distribution systems
    • Allied work for public and private companies

How to Get the Electrical Lines (L-1) Contractor’s License in Connecticut?

  1. Visit the CT Department of Consumer Protection (DCP) website to read the eligibility criteria, prerequisites, and documentation requirements for obtaining an Electrical Lines (L-1) Contractor License. Follow the process held in the DCP Electrical License and in the Electrical License Application Path - Contractor
  2. Meet the necessary education requirements requested by the DCP
    • Required courses for high school graduation or GED test
    • Have held a CT Journeyperson's license for a total of two (2) years prior to applying
  3. Apply online, by visiting the State of Connecticut's eLicense website or send the Occupational Trade Contractor License Application to the DCP official email address This email address is being protected from spambots. You need JavaScript enabled to view it. with the following documents:
    • Criminal Conviction Worksheet, when requested
    • Copy of respective Connecticut Journeyperson license for a minimum of two (2) years before the application
    • Receipt for payment of the non-refundable application fee by check and/or money order to the "Treasurer, State of Connecticut"
    • For military service experience and training related to this application, contact the CT Department of Labor at (860) 263-6128 to request a recommendation
    • When applying for equivalent experience and training, including all documentation that demonstrates experience and training for this license type:
      • For Electrical Lines (L-1) license equivalency, applicants holding out-of-state license(s) shall provide:
        • Copy of each equivalent out-of-state electrical license, currently active
        • Proof of successfully completed registered Apprenticeship Program from the DOL, including on the job training (OJT) and related instruction, indicated in the Electrical Lines (L-1) Contractor equivalency chart plus an additional two years of work history
  4. Schedule the Electrical Lines (L-1) administered by PSI© in the desired location and time and pay the examination fee after receiving the DCP examination approval (the exam must be taken within one year from the date of approval):
    • Take and pass the Electrical Lines (L-1) and the Business and Law exams
    • If both exams are passed, submit the license fee along with the exam passing score results to obtain the official contractor license
  5. Await the official Electrical Lines (L-1) Contractor License issued by the Department of Consumer Protection

Connecticut Electrical Lines (L-1) Contractor License Exam Prep Courses

Connecticut Electrical Lines (L-1) Contractor License Exams

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

Connecticut Electrical Lines (L-1) Contractor Trade Exam

  • Testing Method: Computer-based testing; semi-open book
  • Testing Company: PSI©
  • Number of Questions: 50
  • Types of Questions: Multiple Choice
  • Time Allowed: 90 Minutes
  • Minimum Passing Score: 70%
  • Subjects Involved (No. of Questions):
    • Transformers (6)
    • Electrical Knowledge (5)
    • Conductors (5)
    • Overhead Lines (7)
    • Underground Lines (4)
    • Equipment and Safety (8)
    • Grounding Methods (3)
    • Service Drops and Laterals (4)
    • Poles and Structures (4)
    • Electric Supply Stations (4)
  • PSI© Electrical Lines (L-1) Official Content Outline

Connecticut Electrical Lines (L-1) Contractor Business and Law Exam

  • Testing Method: Computer-based testing; open book
  • Testing Company: PSI©
  • Number of Questions: 50
  • Types of Questions: Multiple Choice
  • Time Allowed: 2 Hours
  • Minimum Passing Score: 70%
  • Subjects Involved (No. of Questions):
    • Licensing (5)
    • Estimating and Bidding (7)
    • Lien Law (2)
    • Financial Management (4)
    • Tax Laws (5)
    • Labor Laws (5)
    • Project Management (5)
    • Contracts (6)
    • Business Organization (2)
    • Risk Management (4)
    • Environmental and Safety (5)
  • PSI© Business and Law Official Content Outline

Connecticut Electrical Lines (L-1) Contractor Book Set

This set of books includes all required references for the Electrical Lines (L-1) and Business and Law exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

  • CONNECTICUT ELECTRICAL LINES (L-1) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $967.14
  • CONNECTICUT ELECTRICAL LINES (L-1) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $1,047.14

Connecticut Electrical Lines (L-1) Contractor Exam Books

Books Allowed in Testing

Books Not Allowed in Testing

Connecticut Electrical Lines (L-1) Business and Law Exam Book

Book Allowed in Testing