VoltageLab: NEC Exam Prep
Pass the NEC Exam Faster
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
AI-powered NEC exam prep. Get your Readiness Score, unlimited practice questions, and timed mock exams built for journeyman electricians.
Pass Your NEC & Journeyman Electrician Exam
Know you're ready before exam day. VoltageLab is the AI-powered NEC exam prep app for Journeyman, Master Electrician, and Apprentice electricians nationwide.
Stop guessing what to study. Get a real-time Readiness Score, see exactly which NEC articles are costing you points, and follow a study plan built around your exam date.
WHY ELECTRICIANS CHOOSE VOLTAGELAB
- Readiness Score - know your exact pass odds
- Full Mock Exams - real question count, time, pass score
- Every NEC Article - organized by code section
- Custom Drills - build your own practice set
- Calc Drills - box fill, conduit fill, voltage drop, ampacity
- Table Match - match conductors to NEC tables, timed
- Code Compliant? - spot real code violations
- Daily Code Challenge - one new question, every day
- AI-Generated Questions - unlimited, with full explanations
- NEC Citations Included - every answer backed by code
- Timed Practice Mode - train under real exam pressure
- 1v1 & Group Battles - challenge electricians head-to-head
- Leaderboards - compete in the Weekly Code Cup
- Progress Tracking - stats, weak areas, certifications
BUILT FOR YOUR EXAM
Covers Electrical Calculations, Wiring Methods and Materials, Wiring and Protection, Equipment for General Use, and Special Occupancies - weighted to match real exam frequency.
Prepare for:
- Journeyman Electrician Exam
- Master Electrician Exam
- NEC Code Exam (current cycle)
- State Electrical Licensing Exams
- Electrical Contractor Exam
- Apprentice & Trade School Exams
KNOW YOU'RE READY - NOT JUST HOPEFUL
Track your readiness. Fix your weak spots. Drill until it's automatic. Then prove it under real exam conditions.
Download the app now and start practicing today.
Terms of Use
https://quiz.voltagelab.com/play-store-terms-conditions
Privacy Policy
https://quiz.voltagelab.com/play-store-privacy-policy
• Rebuilt for the NEC exam — set your state and exam once, and the app tunes to it.
• New Learning Path home with a guided study plan and an "Up Next" card.
• Readiness Score shows how close you are to passing, plus your weak spots.
• Mock exams: full papers or single sections, with pause, resume, and answer review.
• New practice modes — Code Reading, Calc Drills, and Table Match.
• Daily Code Challenge: fresh questions every day.
• Compete in Code Clash 1v1, group matches, and the Weekly Code Cup.
• Simpler four-tab navigation.
• Faster launch, smaller app, and many bug fixes.
The developer, Nazmul Islam, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nazmul Islam
- Size
- 79.8 MB
- Category
- Education
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- US $2.99
- US $29.99
- Copyright
- © 2026 VoltageLab: NEC Exam Prep