OSHA 10 vs OSHA 30: Which One Do You Need?

If you work in construction, manufacturing, or any industry where people can get hurt on the job, someone has probably told you to “get your OSHA card.” But which one? The 10-hour or the 30-hour? The answer matters more than most people realize, and picking wrong means wasting either your time or your money-sometimes both.

The OSHA 10 and OSHA 30 are not interchangeable. They are built for different roles, cover different depths of material, and carry different weight with employers and regulatory agencies. In states like New York and Connecticut, showing up to a construction site without the right card can get you sent home before you unpack your tools. For employers, putting untrained workers on a jobsite can trigger OSHA penalties that start at $16,550 per serious violation and climb to $165,514 for willful violations.

This guide breaks down exactly what each course covers, who needs which card, what it costs, and how to decide. No fluff, no sales pitch disguised as education-just the information you need to make the right call.

What OSHA 10-Hour and 30-Hour Training Actually Cover

First, a critical distinction: OSHA does not “certify” anyone. There is no such thing as “OSHA certified.” Both the 10-hour and 30-hour courses are part of OSHA’s Outreach Training Program, administered by authorized trainers. When you complete a course, you receive a Department of Labor (DOL) completion card-not a certification, not a license. Anyone who tells you otherwise is either misinformed or trying to upsell you.

OSHA 10-Hour Course

The 10-hour course is a broad safety orientation. It introduces workers to their rights under the OSH Act, how to recognize common hazards, and what to do about them. For construction, the curriculum covers OSHA’s “Focus Four” hazards-falls, struck-by, caught-in/between, and electrocution-which together account for more than 60% of construction fatalities every year. Additional topics include personal protective equipment (PPE), health hazards, scaffolding, ladder safety, and how to file a complaint with OSHA.

The course can be delivered online or in a traditional classroom. Online courses must still meet the minimum 10-hour instruction time, though you can spread the work across multiple days. In-person sessions are typically completed in two days.

OSHA 30-Hour Course

The 30-hour course covers everything in the 10-hour program and goes significantly deeper. It adds detailed modules on excavation and trenching, crane operations, fall protection systems, steel erection, confined spaces, hazard communication programs, recordkeeping and reporting requirements, and multi-employer worksite responsibilities. It also spends considerable time on how to develop and implement a site-specific safety program-skills that matter when you are the person responsible for other people going home in one piece.

Classroom delivery typically runs four to five days. Online formats let you work at your own pace over several weeks, which is often more practical for supervisors who cannot leave the jobsite for a full week.

Who Needs Which Card

OSHA 10-Hour: Entry-Level Workers

The 10-hour card is designed for entry-level and front-line workers-laborers, apprentices, journeymen, and anyone whose primary job is performing the work rather than directing it. It gives workers enough knowledge to identify hazards, understand their rights, and follow safe work practices on the jobsite. If your day involves swinging a hammer, pulling wire, or operating equipment and you do not supervise anyone, the OSHA 10 is almost certainly the right starting point.

OSHA 30-Hour: Supervisors and Safety Leads

The 30-hour card is built for people with safety responsibilities-foremen, superintendents, project managers, site safety officers, and anyone who directs crews or develops safety programs. If you run toolbox talks, conduct jobsite inspections, or sign off on daily safety logs, the OSHA 30 gives you the deeper knowledge base you need. Many general contractors will not let you run a crew without it.

State-Specific Mandates

Several states have gone beyond OSHA’s federal guidelines and written outreach training into law:

• New York: Since 2008, all construction workers on jobsites must hold at minimum an OSHA 10-hour construction card. Site safety managers must hold the 30-hour card. This applies to private and public projects alike.
• Connecticut: All employees performing construction work must complete the OSHA 10-hour construction course.
• Massachusetts: All workers on public and private construction sites must hold an OSHA 10-hour construction card.
• Nevada: Workers on public construction projects must complete OSHA 10-hour training.
• Missouri: OSHA 10-hour training is required for workers on public works projects.
• New Hampshire: Workers on public works construction projects must hold OSHA 10-hour cards.

If you work in any of these states, the training is not optional-it is a legal prerequisite for stepping onto the jobsite. Check your state’s specific requirements, because the list continues to grow.

Construction vs General Industry

OSHA’s Outreach Training Program offers four course variants, and picking the wrong industry track is a common mistake:

1. OSHA 10-Hour Construction - Entry-level workers in construction trades
2. OSHA 30-Hour Construction - Supervisors and safety leads in construction
3. OSHA 10-Hour General Industry - Entry-level workers outside construction
4. OSHA 30-Hour General Industry - Supervisors and safety leads outside construction

Construction covers work involving building, renovation, demolition, excavation, and infrastructure. Think jobsites with cranes, scaffolding, trenches, and steel going up. General Industry covers nearly everything else: manufacturing plants, warehouses, distribution centers, healthcare facilities, retail operations, and office environments. The hazards are fundamentally different-a warehouse worker faces forklift traffic and racking collapses, not scaffolding failures-so the training must match the actual work environment.

If you are unsure which track applies, look at the OSHA standards your employer falls under. Construction companies are regulated under 29 CFR 1926. General industry employers fall under 29 CFR 1910. Your course should match your regulatory framework.

Cost, Time Investment, and Validity

What It Costs

Pricing varies widely depending on the provider and delivery method. Here is what to expect across the market:

• OSHA 10-Hour Online: -$89 from discount providers. Quality varies enormously at the low end-some bargain courses use outdated materials or provide minimal instructor support.
• OSHA 10-Hour In-Person: $150-$350, depending on location and class size.
• OSHA 30-Hour Online: $59-$189 from various providers.
• OSHA 30-Hour In-Person: $350-$700, typically including materials and the DOL card fee.

At OccuPros, our OSHA 10-Hour online course is $69 and our OSHA 30-Hour online course is $149. That includes self-paced awareness and exam-prep content plus course materials. The online course is knowledge and exam prep and does not issue the OSHA Outreach DOL card, which requires an OSHA-authorized trainer. We price in the middle of the market deliberately-cheap enough to be accessible, expensive enough to deliver actual quality.

Time Investment

The hour counts are minimums, not maximums. A 10-hour course requires at least 10 hours of instruction time. Most in-person classes run closer to 12-14 hours when you include breaks and Q&A. The 30-hour course typically takes 32-36 hours of total classroom time. Online courses let you log in and out on your own schedule, but you cannot compress the hours-OSHA requires that the minimum contact time be met.

Does the Card Expire?

Officially, no. The DOL completion card has no expiration date. OSHA has never set a renewal requirement for outreach training cards. However, many employers, general contractors, and project owners require workers to hold a card issued within the last 3 to 5 years. This is an employer policy, not an OSHA regulation, but it has the same practical effect-if your card is from 2018 and the GC requires one from the last five years, you are taking the course again regardless of what OSHA says.

Side-by-Side Comparison: OSHA 10 vs OSHA 30

How to Decide: A Quick Checklist

Still not sure which course you need? Walk through these questions:

1. Are you an entry-level worker, laborer, or apprentice? Start with the OSHA 10. It covers what you need to stay safe and meets most jobsite entry requirements.
2. Do you supervise other workers, run a crew, or hold a foreman title? You need the OSHA 30. Most general contractors will not let you direct crews without it, and the deeper training is genuinely useful for the work you do.
3. Do you work construction in New York, Connecticut, or Massachusetts? The OSHA 10 is a legal minimum. No card, no work. If you are a site safety manager in New York, you need the 30.
4. Does your employer or the GC on the project have a specific policy? Check with them. Some companies require the 30-hour for anyone at the superintendent level or above, even where the law does not mandate it.
5. Are you in general industry (manufacturing, warehousing, healthcare)? Make sure you take the General Industry track, not the Construction track. The hazards and regulations are different.
6. Is your current card older than 5 years? It has not technically expired, but many employers treat it as if it has. Retaking the course refreshes your knowledge on updated standards anyway.
7. Are you trying to move into a safety role or advance your career? The OSHA 30 signals to employers that you take safety seriously and are prepared for supervisory responsibility. It is often a prerequisite for safety director and safety manager positions.

When in doubt, call us. We will tell you exactly which course fits your situation-even if the answer is that you do not need one at all.

Frequently Asked Questions

Get Your OSHA Card Through OccuPros

OccuPros delivers OSHA 10-hour and 30-hour outreach training in both construction and general industry tracks. Our courses are taught by authorized OSHA trainers, and every student receives their DOL completion card. We are based in Arlington, Texas, and serve clients across the DFW metroplex and nationwide through our online programs.

For a deeper comparison of course features and delivery options, visit our OSHA 10 vs 30 comparison page.