VoltageLab: Electrician Exam

Pass your journeyman electrician exam with a plan, not guesswork.

VoltageLab is NEC exam prep built for electricians. Pick your trade level, your state and your exam date, and the app builds a day-by-day study plan, weights your practice to the code sections your exam actually tests, and shows how close you are to ready.

VERIFIED PRACTICE QUESTIONS
Every question is written to the National Electrical Code and comes with a full explanation and the article it's based on, so you learn the code, not just the answer.

TIMED MOCK EXAMS
Sit full-length practice tests with a real clock, real question counts and a pass mark. Review every miss afterwards.

READINESS SCORE
See which parts of the code are costing you points and watch your score rise as you fix them.

DRILLS FOR EVERY SKILL
- Calc Drills: box fill, conduit fill, voltage drop, ampacity and load calculations
- Table Match: find the right NEC table fast, against the clock
- Code Compliant?: spot the violation in real-world installs
- Code Reading: learn to navigate the codebook quickly
- Custom practice by article or topic

STUDY A LITTLE, EVERY DAY
- One study unit a day on your personal learning path
- Daily Code Challenge: a fresh question every day
- Streaks and badges to keep you on track

LEARN WITH YOUR CREW
- 1v1 code battles against other electricians
- Group quizzes for apprentices, classmates and shop crews
- Weekly Code Cup leaderboard

BUILT AROUND YOUR STATE EXAM
Prepare for journeyman electrician, master electrician and electrical contractor licensing exams in 38 states, including Texas, Florida, Georgia, North Carolina, Ohio, Michigan, Washington and Colorado. Great for apprentices and trade school students too.

Start free. Upgrade to Pro for full access to every question and drill.

VoltageLab is an independent study tool and is not affiliated with NFPA, PSI, Pearson VUE, Prov or any state licensing board. National Electrical Code and NEC are registered trademarks of the NFPA.

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