Free OSHA 510 Exam Prep
OSHA #510 — Occupational Safety and Health Standards for the Construction Industry
Prepare for the OSHA 510 exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
Buy on AmazonExplore More OSHA Training
Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.
More From This Family
Videos and articles for deeper review.
OSHA OSHA Training License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Master the OSH Act & OSHA Policy FrameworkYou are here
Learn the OSH Act of 1970, General Duty Clause, multi-employer worksite citation policy, inspection priorities, and violation/penalty categories.
Deep Dive into Focus Four Hazards
Study 29 CFR 1926 Subpart M (fall protection triggers, PFAS requirements, guardrail specs), Subpart K (electrical/GFCI/lockout), and struck-by/caught-in standards.
Scaffolds, Excavations & Health Hazards
Master Subpart L (scaffold load factors, inspection rules), Subpart P (soil classification, sloping ratios, shoring), and Subpart D (silica, lead, asbestos PELs and action levels).
Cranes, Recordkeeping & Final Review
Review Subpart CC (operator certification, power line clearances, critical lifts), 29 CFR 1904 recordkeeping, and take full-length practice exams.
Can You Take the OSHA 510 Exam?
Check if you meet the basic eligibility requirements
- •OSHA publishes no prerequisite for #510
- •Minimum 26 student contact hours
- •OSHA #510 is one prerequisite for #500, not trainer authorization by itself
- •OSHA #500 also requires five years of construction safety experience, with limited substitutions, and #510 completion within seven years
OSHA 510 Quick Facts
Time to Get Licensed
Minimum 26 student contact hours; calendar format varies by authorized center
From start to license in hand
Exam Provider
OSHA Training Institute (OTI) Education Centers; in-person and select Virtual Instructor-Led Training sections are available
Retake Policy
Retake policy varies by OTI Education Center; contact your center for details
Total Cost Breakdown
Free OSHA 510 Prep Tools
100 Free Standards Questions
Covers all major 29 CFR 1926 subparts: Focus Four, scaffolds, excavations, electrical, health hazards, cranes, and OSH Act policy
AI-Powered Explanations
Every question includes detailed explanations with standard citations and wrong-answer feedback
Updated for 2026
Reflects current OSHA penalty amounts, silica PEL, crane operator certification rules, and multi-employer worksite policy
100% Free
All 100 OSHA 510 practice questions are free — no account required
What You'll Study
10 chapters covering the exam topics in this guide
Chapter 1: OSH Act, Policies & Procedures
4 sections
Chapter 2: Focus Four — Falls (Subpart M)
5 sections
Chapter 3: Focus Four — Electrical (Subpart K)
3 sections
Chapter 4: Focus Four — Struck-By & Caught-In
3 sections
Chapter 5: Scaffolds (Subpart L)
3 sections
Chapter 6: Excavations (Subpart P)
3 sections
Chapter 7: Health Hazards in Construction (Subpart D)
4 sections
Chapter 8: PPE, Fire Protection, & Welding (Subparts E, F, J)
3 sections
Chapter 9: Cranes & Derricks (Subpart CC)
2 sections
Chapter 10: Recordkeeping & Inspections (29 CFR 1904)
3 sections
OSHA 510 Exam Details
OSHA #510 — Occupational Safety and Health Standards for the Construction Industry
Administered by OSHA Training Institute (OTI) Education Centers / U.S. Department of Labor
Exam Content Breakdown
Based on the official OSHA Training Institute (OTI) Education Centers / U.S. Department of Labor content outline
OSH Act of 1970, General Duty Clause, multi-employer worksite policy, inspection process, citations, penalties, and employer/worker rights
29 CFR 1926.501-502 fall protection triggers, guardrails, PFAS, safety nets, CAZ, warning lines, leading edges, and roofing
GFCI, grounding, lockout/tagout (1926.417), overhead power line clearances, qualified worker requirements, and temporary wiring
Vehicle struck-by, rigging failures, nail guns, machine guarding (Subpart I), formwork collapse, and excavation cave-in
29 CFR 1926.451-452: load capacity (4× safety factor), inspection by competent person, fall protection at 10 feet, height/base ratio, and erection/dismantling
29 CFR 1926.650-652: soil classification (Type A/B/C), sloping ratios, shoring, shielding, egress at 4 feet, spoil pile setback, and competent person
Silica (1926.1153, PEL 50 μg/m³), lead (1926.62, AL 30 μg/m³), asbestos (1926.1101, PEL 0.1 f/cc), noise (1926.52, PEL 90 dBA), hazard communication, and heat illness
Employer-provided PPE requirements, fire extinguisher placement, hot work permits, fire watch duties, and oxygen-deficient atmosphere triggers
29 CFR 1926.1408-1431: operator certification, pre-shift and annual inspections, power line clearance (20 feet), signal person qualification, critical lift planning
OSHA 300 log, recordable criteria, fatality reporting (8 hours), hospitalization reporting (24 hours), posting requirements, and inspection priority hierarchy
What's Included
10 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
I'm Ran Chen, an engineer with 20+ years of coding experience. I passed my Life Insurance license, EA exam, SIE, Series 6, 63, 65, and finally the CFP® exam.
Through all these exams, one thing became clear: exam prep is expensive. But with AI, we can change that. Quality preparation can now be free for everyone.
What's Next After the OSHA 510?
After passing the OSHA 510, you can pursue these career paths
OSHA 30-Hour Construction
OSHA's 30-Hour outreach course for construction supervisors — covers Focus Four and advanced topics
OSHA 511
The general industry counterpart to OSHA 510 — for trainers who also teach general industry outreach
OSHA 500 Trainer Course
Become an OSHA-authorized outreach trainer for 10-Hour and 30-Hour Construction courses after completing OSHA 510
OSHA 510 Exam FAQ
Official OSHA Training Institute (OTI) Education Centers / U.S. Department of Labor Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free OSHA 510 Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.