Electrician Exam Prep:NEC 2026
Journeyman & Master Test Prep
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Updated for NEC 2026. 1,000+ questions by licensed electricians. Voltage drop calculator included. One payment, lifetime access. Pass your journeyman or master exam.
PASS YOUR ELECTRICIAN EXAM ON THE FIRST TRY
1,000+ practice questions. Voltage drop calculator. NEC code references. Everything you need to get your journeyman, master, or contractor license.
BUILT BY LICENSED ELECTRICIANS
Every question matches the format you'll see on test day. Real NEC code references. Detailed explanations that teach you the why, not just the answer.
VOLTAGE DROP CALCULATOR
The exam tests voltage drop calculations. Our built-in calculator solves copper and aluminum problems for single-phase and three-phase circuits per NEC Chapter 9.
Enter your values. See the calculation. Understand the formula. Then practice with questions covering the same concepts.
No more memorizing formulas. No more calculation errors. Just the right answer, every time.
1,000+ NEC PRACTICE QUESTIONS
Wiring Methods
- Raceway and cable installations
- Conductor sizing per NEC 310.16
- Conduit fill calculations
Services and Feeders
- Service entrance requirements
- Feeder calculations
- Grounding and bonding
Motors and Controls
- Motor circuit calculations
- Overload protection
- Disconnect requirements
General Knowledge
- NEC article navigation
- Code interpretation
- Safety requirements
Branch Circuits
- GFCI and AFCI requirements
- Receptacle and lighting loads
- Overcurrent protection
Transformers
- Voltage calculations
- Sizing requirements
- Connection methods
Every question includes:
- The correct answer
- Detailed explanation
- NEC article reference
- Why the other options are wrong
TRACK YOUR PROGRESS
See exactly which NEC articles need more work. Your progress saves automatically across all your devices. Study between jobs, during lunch, or on the commute.
Green means mastered. Red means review. When everything is green, you're ready.
STUDY OFFLINE
Download questions to your device. No Wi-Fi needed in the field or on the job site. Your study time isn't limited by your signal.
WHO THIS APP IS FOR
Journeyman candidates preparing for state exams
Master electricians upgrading their license
Electrical contractors seeking certification
Apprentices learning NEC fundamentals
Anyone serious about passing the electrical exam
ONE PAYMENT. LIFETIME ACCESS.
No subscriptions. No monthly fees. No hidden charges.
Pay once. Study forever. Updates included.
Other apps charge $15-30 per month. You'd spend $180-360 per year just to access their questions.
We believe exam prep shouldn't drain your wallet while you're working toward your license.
PASS GUARANTEE
Use this app for 30 days. Complete 80% of the questions with 75% accuracy. If you don't pass your exam, we'll refund your purchase. No questions asked.
THE FASTEST PATH TO YOUR LICENSE
Your electrical career depends on passing this exam. Every week you wait is money left on the table.
Download now. Start studying tonight. Pass your exam.
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NEC 2026 code updates
New voltage drop scenarios
Performance improvements
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Information
- Seller
- Deeun Inc.
- Size
- 4.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro - Lifetime Access $17.99
- NEC Prep Pro Monthly $6.99
- Copyright
- © 2026 Deeun Inc.