Free trade exam practice tests

70 exam-style questions with instant scoring and a plain-English explanation after every answer. Pick your exam and start — no signup, no paywall.

Electricians

35 questions

Journeyman Electrician Practice Test

20 Qs

NEC (NFPA 70) fundamentals

20 questions on the National Electrical Code, conductor sizing, grounding and common installation rules — the backbone of every state journeyman exam.

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Master Electrician Practice Test

15 Qs

NEC calculations & advanced theory

15 tougher questions on load calculations, services, motors and code application — the level a master/contractor exam expects.

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HVAC Contractors

20 questions

EPA Section 608 Practice Test

20 Qs

EPA Section 608 (Core + Type I/II/III)

20 questions covering the Core plus Type I, II and III material every HVAC tech needs to handle refrigerants legally. One of the most-searched certs in the trade.

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Plumbers

15 questions

Journeyman Plumber Practice Test

15 Qs

IPC / UPC fundamentals

15 questions on venting, drainage, backflow and fixture rules drawn from the model plumbing codes most states adopt.

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More exams coming

We're expanding the bank across master plumber, general-contractor business & law, and state-specific exams. Want a heads-up when your exam lands?

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