NEC 2023 Quick Reference Guide
50 Most-Tested Articles for Your Electrician Exam
A concise, exam-focused summary of every major NEC article, with key requirements, critical tables, and insider exam tips. Download free in seconds.
What's Inside the Guide
General Requirements
Articles 90, 100, 110, Definitions, scope & working space rules
Branch Circuits & Feeders
Articles 210, 215, 220, GFCI/AFCI locations & load calculations
Wiring Methods
Articles 300, 310, 314, Conductor sizing & box fill calculations
Grounding & Bonding
Article 250, EGC sizing, GEC sizing & bonding requirements
Overcurrent Protection
Article 240, Standard breaker sizes, tap rules, next-size-up
Motors & Services
Articles 230 & 430, Motor conductor sizing & service requirements
Key Reference Tables
Table 310.16, 250.122, 314.16(A) & Chapter 9 Table 1, summarized
Exam Day Tips
5 proven strategies to maximize your score on test day
Why Electricians Love This Guide
- Exam-focused, covers only the articles that appear most on journeyman and master exams
- Quick reference tables, 310.16 ampacity, 250.122 EGC sizing, box fill, and conduit fill
- Exam tips on every article, so you know exactly what to look for in the question
- Print or read on any device, clean PDF designed for readability
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