Free Practice Test
NASCLA Electrical Contractor
Try 10 questions weighted like NASCLA’s 2027 outline: wiring and protection, equipment for general use, special occupancies, wiring methods, general code requirements, theory, safety and project documents. Every question cites the 2023 NEC, OSHA, NFPA 70E or NASCLA Contractors Guide section it comes from. You get a score for each area and an explanation for every answer.
What you’ll get
Your Score
See your percentage as soon as you enter your name and email.
Topic Breakdown
Find out which topics you're strong in and where you need work.
Codebook Explanations
Unlock detailed explanations with exact code references.
Free With Your Email
Enter your name and email after the test to see your score and the questions you missed.
The NASCLA Electrical Contractor exam is 100 questions in 270 minutes, open book on the 2020 or 2023 NEC, and you need 75. Participating state agencies such as Arizona and Tennessee accept it in place of their own electrical contractor trade exam.
Related reading
NASCLA Electrical Contractor Exam Day: What to Expect at PSI
What happens on the day of the NASCLA Accredited Electrical Contractor exam: ID, which books you can bring and how they may be marked, the blueprint packet, the calculator, pacing 100 questions in 270 minutes, and sending your transcript.
What Is on the NASCLA Electrical Contractor Exam (2027 Outline)
The NASCLA Accredited Electrical Contractor exam's content outline from January 1, 2027, area by area, how it differs from the 2026 outline, and the references you can bring: the 2020 or 2023 NEC, OSHA, NFPA 70E, Ugly's and the NASCLA Contractors Guide.
NASCLA Electrical Contractor Exam: Requirements and How to Apply
How the national NASCLA Accredited Examination for Electrical Contractors works: which states accept it, NASCLA pre-approval, PSI scheduling, the 100-question exam on the 2020 or 2023 NEC, attempts, fees and transcripts.