The exam is open book.Speed is what you're tested on.
I've been wiring houses since 1996, and I built these timed practice tests and code-math study guides for the residential journeyman exam. Every answer points to the NEC section, and every wrong answer tells you the exact mistake you made.
Steven Rotan
Licensed Journeyman Electrician · Oregon #883LR
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Question 2 of 10
08:42 left
A metal device box has one 14-2 cable in and one 14-2 out, one duplex receptacle, and internal cable clamps. Neutrals and grounds are each pigtailed to the device. What is the minimum box volume?
- A14.00 cu in
- B16.00 cu in
- C18.00 cu in
- D20.00 cu in
Look it up: NEC 314.16(B)
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Free, 10 questions, about 10 minutes.
Ten real-format code math questions. Every wrong choice was built to match a specific mistake, so the answer key tells you not just that you missed it, but why. That's the part that sticks.
In residential since 1996. Journeyman licensed since 1999.
I started my apprenticeship in 1996 at my father's shop in Portland, Oregon, and worked my way through as an apprentice, journeyman, and contractor. I write and check everything on this site myself: the code math explained the way it's used on the job, and practice that runs on the clock.
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- Since 1996
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- Residential
Code calculators
Work the problem by hand first, then check it here. Each one shows the steps and the table it pulled from.
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