Study smarter for your journeyman or master electrician exam. AI-generated NEC practice tests, timed mock exams, flashcards, wiring guides and a hands-on circuit simulator — all in one electrician exam prep app.
iOS & Android · Pro from $2.99/month
Unlike static exam prep apps with fixed question banks, VoltageLab uses AI to generate fresh practice material for your standard — NEC, BS 7671, AS/NZS 3000 or CEC — so your learning never runs out.
Unlimited electrician practice tests on any topic, any code article, any difficulty — grounding, branch circuits, conduit fill, load calculations, motors.
Scenario-based questions with code citations that simulate real journeyman, master, 18th Edition and Red Seal exam conditions.
Place components, wire circuits and complete hands-on challenges in an interactive circuit simulator — practice before the job site.
Generate flashcard decks on any electrical topic, code definition or wiring theory concept for fast daily review.
Describe your situation in plain English and get the exact rule: NEC (NFPA 70), BS 7671, AS/NZS 3000, CEC, DIN VDE, IEC 60364.
AI builds a study plan around your exam date and weak areas, with daily drills, streak tracking and progress analytics.
Swipe through real screens from the app — showing the NEC (USA) experience.
Real ratings from the App Store and Google Play.
"This app is the bees knees. The structured learning is great for understanding fundamentals, but the custom AI topic option really puts the cherry on top."
"Great educational app! User-friendly interface, quality content, and very helpful for learning."
"I love this app. I'm learning a lot. I'm encouraging everyone to download it and start learning too."
NEC journeyman or master, BS 7671 18th Edition, AS/NZS 3000, CEC Red Seal or DIN VDE — the AI builds a study plan around your exam date, level and weak areas.
Generate unlimited practice tests on any code article, drill flashcards, wire circuits in the simulator and take timed mock exams with code-cited explanations.
The AI Study Coach detects weak topics from your quiz history and targets them until they're strong — so you walk into the exam room confident.
Practical guides written for exam candidates and apprentices — each one shows exactly how to use the app to solve the problem you searched for.
What's on the journeyman exam, how it's scored, and how to generate unlimited NEC-cited practice questions.
Read the guide → Exam PrepThe NEC articles that dominate every exam and a daily study system that actually sticks.
Read the guide → Exam PrepHow the master exam differs from journeyman and how to train for the calculation-heavy questions.
Read the guide → ApprenticesWhat first-year apprentices should study, and how daily drills and the circuit simulator accelerate it.
Read the guide → Field ReferenceStop flipping pages on the job site — describe the situation and get the exact NEC rule instantly.
Read the guide → Study ToolsThe terms and formulas worth memorizing, and how AI-generated flashcards make them stick.
Read the guide → Hands-OnWire real circuits on your phone — components, switches, loads — before you touch live conductors.
Read the guide → ComparisonStatic question banks vs AI generation — an honest comparison of the top electrician apps this year.
Read the guide →Join 50,000+ electricians, apprentices and students using AI-generated practice tests, mock exams and study plans — whatever code standard you work to. Your first quiz is 30 seconds away.