Electrician Exam Prep: NEC
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About this app
The journeyman electrician exam has a 30–40% first-attempt fail rate. The single biggest reason: not knowing how to navigate the NEC code book under time pressure. Electrician Exam Prep: NEC 2026 trains you to think like the exam does.
⚡ VOLTAGE DROP CALCULATOR
The calculation most test-takers get wrong. Our tool handles single-phase and three-phase calculations for copper and aluminum conductors per NEC Chapter 9 — with step-by-step breakdowns you can study, not just copy.
📋 1,000+ NEC PRACTICE QUESTIONS
Article-by-article coverage of the NEC: wiring methods, overcurrent protection, grounding and bonding, services and feeders, special occupancies. Every question has a full rationale with the NEC article reference.
🎯 STUDY BY ARTICLE
Drill exactly where the exam hurts: Article 210 (Branch Circuits), 230 (Services), 250 (Grounding), 300 (Wiring Methods), 310 (Conductors). Don't waste time on topics you already know.
📵 FULL OFFLINE ACCESS
Study on the job site, in the field, or in the basement — no Wi-Fi needed.
📈 PROGRESS TRACKING
Know your score per NEC article. Walk into test day knowing your weak spots are covered.
Your journeyman license is a $20K+ career upgrade. This app costs less than a cup of coffee.
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Privacy Policy: https://voltexam.com/privacy
Terms of Use: https://voltexam.com/terms
⚡ VOLTAGE DROP CALCULATOR
The calculation most test-takers get wrong. Our tool handles single-phase and three-phase calculations for copper and aluminum conductors per NEC Chapter 9 — with step-by-step breakdowns you can study, not just copy.
📋 1,000+ NEC PRACTICE QUESTIONS
Article-by-article coverage of the NEC: wiring methods, overcurrent protection, grounding and bonding, services and feeders, special occupancies. Every question has a full rationale with the NEC article reference.
🎯 STUDY BY ARTICLE
Drill exactly where the exam hurts: Article 210 (Branch Circuits), 230 (Services), 250 (Grounding), 300 (Wiring Methods), 310 (Conductors). Don't waste time on topics you already know.
📵 FULL OFFLINE ACCESS
Study on the job site, in the field, or in the basement — no Wi-Fi needed.
📈 PROGRESS TRACKING
Know your score per NEC article. Walk into test day knowing your weak spots are covered.
Your journeyman license is a $20K+ career upgrade. This app costs less than a cup of coffee.
---
Privacy Policy: https://voltexam.com/privacy
Terms of Use: https://voltexam.com/terms
Voltage drop calculator + 1,000+ NEC questions. Pass journeyman exam.
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What’s new
- Added randomized NEC practice sessions and topic-based study
- Added Weak Areas drill, Mock 25, and Exam 50 simulator
- Added NEC code lookup flashcards and formula sheet
- Added smart missed-question review until mastered
- Added expanded state exam guide and new calculator tools
- Improved practice flow, bookmarks, and study-plan experience
- Added Weak Areas drill, Mock 25, and Exam 50 simulator
- Added NEC code lookup flashcards and formula sheet
- Added smart missed-question review until mastered
- Added expanded state exam guide and new calculator tools
- Improved practice flow, bookmarks, and study-plan experience
App support
phone
Phone number
+16475702428
About the developer
Deeun Inc
arun@voltexam.com
325 Webb Dr
Mississauga, ON L5B 3Z9
Canada
+1 647-570-2428
