Master Electrician (NEC)
Free practice for the Master Electrician (NEC) exam. Original questions in English, 中文 and Español, covering the official content areas — with a full timed mock exam.
The Master Electrician (NEC) exam is about 100 questions, 300 minutes, 75% to pass. Practice by topic here, then take the full timed mock exam to gauge your readiness. Free, no signup.
▶ Practice questions
Learn by topic with instant explanations. Free, no signup.
🎯 Full timed mock exam
A 100-question, 300-minute simulation to test your readiness.
What the Master Electrician (NEC) exam covers
27%
Calculations
23%
Services & Distribution
20%
Advanced Wiring
16%
Theory & Design
14%
Code Admin & Safety