# NEC Electrical Exam by VoltLab — NEC Journeyman Practice Tests

> AI-powered electrician exam preparation with readiness scores and mock tests. (iPhone/iPad app by Nazmul Islam.)

- Source: https://appshunter.io/ios/app/nec-electrical-exam-by-voltlab/id6759293855 (this page in markdown: same URL + `.md`)
- Developer: [Nazmul Islam](https://appshunter.io/developer/1860082590)
- Category: Education, Reference
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 77 MB
- Languages: American English
- Released: 2026-03-03
- Data updated: 2026-10-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nec-electrical-exam-by-voltlab/id6759293855/reviews.md

## What is NEC Electrical Exam by VoltLab?

Pass your journeyman electrical 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.

Terms of Use: https://quiz.voltagelab.com/play-store-terms-conditions
Privacy Policy: https://quiz.voltagelab.com/play-store-privacy-policy

## Key features

- AI-powered readiness score
- Full mock exams
- Customizable practice drills
- Daily code challenges
- AI-generated questions with explanations
- Progress tracking and weak area identification
- Timed practice mode

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| US | $2.99 | per month |
| US | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 4_professional_pack | $12.99 | one-time |
| 3_medium_pack | $7.99 | one-time |
| 2_starter_pack | $4.99 | one-time |
| 1_small_pack | $2.99 | one-time |


## Is NEC Electrical Exam by VoltLab safe?

Not enough ratings yet to assess NEC Electrical Exam by VoltLab.

## Is NEC Electrical Exam by VoltLab legit?

NEC Electrical Exam by VoltLab appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for NEC Electrical Exam by VoltLab is 65 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/nec-electrical-exam-by-voltlab/id6759293855/reviews.md

### 5/5 — Studying feels like a fun battle!

*2026-09-16*

This app turned NEC exam prep into an actual adventure! Studying felt like leveling up for battle instead of a boring grind. Genuinely fun to use and made me look forward to prepping.

## Frequently asked questions about NEC Electrical Exam by VoltLab

### What electrician exams does VoltageLab prepare you for?

VoltageLab prepares you for the Journeyman Electrician Exam, Master Electrician Exam, NEC Code Exam, State Electrical Licensing Exams, Electrical Contractor Exam, and Apprentice & Trade School Exams.

### How does VoltageLab help users know if they are ready for the exam?

VoltageLab provides a real-time Readiness Score, which indicates your exact pass odds. It also highlights specific NEC articles that are costing you points, allowing for targeted study.

### What types of practice drills are available in VoltageLab?

VoltageLab offers Custom Drills to build your own practice sets, Calc Drills for electrical calculations like box fill and voltage drop, and Table Match drills to test your knowledge of NEC tables.

### Does VoltageLab include explanations for its practice questions?

Yes, all AI-generated questions in VoltageLab come with full explanations, and every answer is backed by NEC citations to ensure code compliance.

### Can I practice under timed conditions with VoltageLab?

Yes, VoltageLab features a Timed Practice Mode designed to train you under real exam pressure, simulating the conditions you'll face on exam day.

### Does VoltageLab have any competitive features?

VoltageLab includes 1v1 and Group Battles where you can challenge other electricians, as well as Leaderboards for the Weekly Code Cup, fostering a competitive learning environment.

### What is the update frequency for VoltageLab?

The latest version of VoltageLab is 1.2.1, and it was last updated on 2026-09-12. This indicates regular updates to ensure content remains current.

### Is VoltageLab available on multiple devices?

VoltageLab is supported on iPhone, iPad, and iPod, making it accessible for a wide range of Apple users preparing for their exams.

## Version history (last 5 releases)

### 1.2.3 — 2026-10-19

- Battle "Play with bot" and "Retry" buttons now show.
- Review answers text, including LaTeX, follows app text sizes.
- Share and rate links always point to a real store listing.

### 1.2.2 — 2026-10-17

A brand-new VoltageLab, rebuilt around one goal: passing your electrician exam.

- New Home: your next study unit, streak and readiness in one place
- Step-by-step study plan that counts down to your exam date
- Cleaner timed mock exams and drill screens
- Faster sign-in with Apple or Google
- Light and dark mode
- Bug fixes and speed improvements

### 1.2.1 — 2026-09-12

• 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.

### 1.2.0 — 2026-08-29

Dedicated NEC Exam Prep Repositioning
State-Specific Timed Mock Exams
Targeted Calculation & Code Drills
Verified Code Citations & Detailed Explanations
Smart Exam Readiness Tracking & Analytics

### 1.1.0 — 2026-04-07

Improve the Home UI Design
Improve the Category screen UI
Improve the Quiz Playing screen UI
Fix some known issues

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## More apps by Nazmul Islam

- [Electrical & Electrician App](https://appshunter.io/ios/app/electrical-and-electrician-app/id6756327053)
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All apps by Nazmul Islam: https://appshunter.io/developer/1860082590

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*