2026 edition · training system online
Learn the code by building it.
Study NEC rules in plain language, drag conductors into live panels, solve field calculations, and test your judgment before the jobsite or exam.
Featured training
Daily code simulation
Article 590
Construction Power Lab
Temporary Installations
44Articles
132Simulations
616+Questions
Training desk
Everything in one field-ready workspace.
Built for apprentices, journeymen, instructors, and exam candidates who need more than flash cards.
44 code articles
Focused references and practical explanations.
Hands-on labs
Drag, wire, size, test, and troubleshoot.
616 questions
Immediate feedback with section citations.
AI code tutor
Ask follow-up questions while you study.
Designed for retention
Read the rule. Work the problem. Prove the result.
01
Reference
Start with a concise explanation and the exact section to verify.
02
Simulate
Apply the rule to realistic equipment, conductors, and calculations.
03
Validate
Get clear compliance feedback and retain your completion history.