Safety Test Prep

Free OSHA, CDL, and CPR practice tests.

Independent practice quizzes for OSHA 10/30 topics, California CDL knowledge, and CPR/AED fundamentals. Try a free quiz. If it helps you learn and prepare, pay $9.99 for the full banks. No cards, licenses, or certifications issued.

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California CDL

Review commercial-driver knowledge topics with California-focused study support.

Explore CDL

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CPR/AED Review

Refresh core emergency-response and CPR/AED knowledge before formal training.

Explore CPR/AED

Practice by trade

Same OSHA quizzes, framed for the work you do. Independent study — not a card and not your employer’s required training.

Roofing

Roofers & solar

Fall protection, ladders, and Focus Four before a roof or array.

Roofing practice

Construction

Laborers & first day

Focus Four, trenches, PPE, and ladders for orientation study.

Laborer practice

Electrical

Electricians

Electrical hazards, lockout/tagout, and PPE for apprentices.

Electrician practice

Mechanical

HVAC & plumbing

LOTO, electrical, ladders, and rooftop fall protection.

HVAC & plumbing

All trade pages · For employers, staffing, and schools · What this site is not

How it works

Step 1Try a free quiz
Step 2If it helps you learn, pay $9.99
Step 3Study the full banks

Safety Test Prep is independent educational practice. It does not issue OSHA cards, CDL licenses, CPR/AED certifications, or government credentials.

Built from real work experience

I’m Vince.

I created Safety Test Prep to share practical study support informed by experience across jobsites, restaurant operations, driving, and emergency response.

The site is designed to make safety fundamentals easier to review in plain language before formal training, testing, or a new role.

Pay $9.99 · Learn more about Safety Test Prep

Common questions

Are these official OSHA, DMV, or CPR tests?

No. These are original independent practice quizzes. Safety Test Prep does not issue OSHA cards, CDL licenses, or CPR/AED certifications.

Are the practice tests free?

Fall protection, California CDL General Knowledge, and Adult CPR are free. The full OSHA, CDL, and CPR banks are $9.99 for 30 days on this device. Payment does not buy a card or license.

Where should I start?

Use the Fall Protection quiz for OSHA-topic study, California CDL General Knowledge for permit prep, or Adult CPR before a skills class. Roofers, laborers, electricians, and HVAC apprentices can start on the trade pages.

What is the difference between OSHA 10 and OSHA 30?

OSHA 10 is 10 hours, usually for workers. OSHA 30 is 30 hours, usually for supervisors. OSHA does not publish one official final exam. Cards come only from authorized trainers. OSHA 10 vs 30 · How to pass OSHA 30.

How many questions are on the OSHA 30 exam?

There is no single official OSHA 30 exam. This lab’s 30-style mock is 50 questions (35 to pass). The 10-style mock is 25 questions (18 to pass).

Can employers or trade schools use this?

Yes. Send a trade page or quiz link to a crew or class. It is unpaid study, not a substitute for required employer training or an Outreach card. For teams has the links to forward.

Verify with official sources

Training, licensing, and credential requirements can change. Use the official resources below to confirm the current requirements that apply to you.