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
NREMT EMT Exam
Airway, cardiology, trauma, medical/OB, and EMS operations. Adaptive 70–120 questions.
~69% first-attempt
Journeyman Plumber Exam
IPC/UPC: fixtures, DFU drainage sizing, vents & traps, water supply, and gas. 70–100 questions.
~60–70% first-attempt
AWS CWI Exam
Three parts — Fundamentals, Practical (book of specs), and Code (AWS D1.1). ~72% on each to pass.
~50% first-attempt
NMLS MLO (SAFE Act) Exam
Federal mortgage law, loan origination, ethics, and uniform state content. 120 questions, 75% to pass.
~55% first-attempt
Cosmetology License Exam
Infection control, chemical services, haircutting, skin & nail care, and state law. Written + practical.
~68% first-attempt
OSHA Forklift Certification
29 CFR 1910.178: truck classes, stability & load center, inspection, and safe operation. Formal + evaluation.
Employer-certified