Free Practice Test
Massachusetts Master Electrician
Try 10 questions from both parts of the Class A exam: services, grounding and bonding, special occupancies and the Massachusetts amendments, plus the Business and Law part’s licensing rules, contracts and lien law. Code questions follow the 2026 NEC as amended by 527 CMR 12.00. You get a score for each area and an explanation that cites the section.
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 Massachusetts Master (Class A) exam has two open-book parts: 90 questions in 4 hours, and a 50-question Business and Law part in 2 hours. You need 70% on each part. Sixteen of the Business and Law questions are on Massachusetts licensing rules and law.
Related reading

Massachusetts Master Electrician Exam Day: PSI, Both Parts, and What to Bring
What to expect at a Massachusetts PSI center for the Class A exam: the five sites, ID rules, the code books, business references, notes and calculator you may bring, and how to pace a 4-hour Part 1 and a 2-hour Business and Law part.

What's on the Massachusetts Master Electrician Exam? Part 1 and Business and Law
The Board's outline for the Massachusetts Class A exam: 90 code questions in Part 1, 50 Business and Law questions in Part II (16 on Massachusetts licensing), the references for each part, and how to study both.

Massachusetts Master Electrician License: Requirements, Fees, and the Two-Part Exam
What the Massachusetts Board requires for a Class A master license: a year as a Massachusetts journeyman, the 150-hour master curriculum, the 15-hour code course, the $135 PSI exam with its Business and Law part, and renewal every three years.