OSHA 30 Construction
Free practice for the OSHA 30 Construction exam. Original questions in English, 中文 and Español, covering the official content areas — with a full timed mock exam.
The OSHA 30 Construction exam is about 100 questions. Practice by topic here, then take the full timed mock exam to gauge your readiness. Free, no signup.
▶ Practice questions
Learn by topic with instant explanations. Free, no signup.
🎯 Full timed mock exam
A 90-question, 90-minute simulation to test your readiness.
What the OSHA 30 Construction exam covers
24%
Common Hazards
20%
Fall Protection
20%
Electrical & PPE
18%
Intro to OSHA
18%
Health & Safety Programs