Definitive Exam Guides · Updated 2026

Exam Study Guides

In-depth, up-to-date study guides for the toughest trade and license exams. Each guide breaks down the exam format, topic weighting, pass rates, and a recommended study plan — plus links to free practice questions so you can start preparing today.

Journeyman Electrician Exam

NEC Articles 100–700, load calculations, and grounding. 80–100 questions, 70–75% passing score.

~60–70% first-attempt

EPA Section 608 HVAC Exam

Core plus Type I, II, and III certification. Refrigerant handling, recovery, and regulations.

Universal cert path

NCCCO Crane Operator Exam

Core written and Specialty exams, load chart reading, and rigging calculations. OSHA-required.

~56% first-attempt

CDL Hazmat Endorsement Exam

Hazardous materials regulations, placarding, loading, and emergency response for the CDL endorsement.

TSA background required

Real Estate License Exam

National and state-specific portions: contracts, finance, agency law, and property ownership.

~50–60% first-attempt