Exam Prep Videos

Short videos on electrician and HVAC licensing exams — how the practice tests work, exam strategy and calculator walkthroughs.

Pass Your Electrical Exam — Free

Pass Your Electrical Exam — Free

Free practice tests for journeyman, master, NEC code, EPA 608, HVAC, NATE and state electrician exams, with explanation…
How It Works

How It Works

Pick your exam, answer the questions, and learn from the explanation and NEC reference for every question. Then retry t…
Journeyman Electrician Exam

Journeyman Electrician Exam

What the journeyman electrician exam looks like, the most-tested NEC topics, and free practice tests with explanations …
Master Electrician Exam

Master Electrician Exam

What the master electrician exam adds over the journeyman exam: service design, three-phase load calculations, transfor…
NEC Code Exams

NEC Code Exams

How the National Electrical Code is organised and article-by-article NEC practice tests with explanations.
Basic Electrical Theory

Basic Electrical Theory

Start with the fundamentals: voltage, current, resistance, Ohm's law, series and parallel circuits, and AC basics. Free…
HVAC Certification

HVAC Certification

HVAC practice tests built around real service calls: heat pumps and AC, controls and sensors, ladder diagrams and basic…
EPA 608 Certification

EPA 608 Certification

EPA Section 608 certification is required to buy or handle refrigerant. The sections, the passing score, and free pract…
NATE Certification

NATE Certification

How NATE certification works: pass the Core exam, then at least one specialty. Exam format and free NATE practice tests.
State Exams — Know Your NEC Edition

State Exams — Know Your NEC Edition

There is no national electrician license. How state licensing works, which NEC edition states use, and state-focused pr…