11.2 Head, Eye, and Face Protection (1926.100 / 1926.102)
Key Takeaways
- ANSI/ISEA Z89.1 classifies head protection by impact Type — Type I resists top impact only, Type II resists both top and lateral impact — and by electrical Class G (2,200 V), Class E (20,000 V), and Class C (conductive, no electrical protection).
- 29 CFR 1926.100(b) accepts head protection meeting ANSI Z89.1-2009, Z89.1-2003, or Z89.1-1997, or equipment the employer demonstrates is equally effective.
- OSHA Safety and Health Information Bulletin SHIB 11-22-2023 encourages employers to move from traditional hard hats to Type II safety helmets with chin straps, which resist lateral impact and stay on during a fall.
- Eye and face protection under 29 CFR 1926.102 must meet ANSI Z87.1 and must include side protection whenever there is a hazard from flying objects.
- Welding filter lens shade requirements scale with the process and amperage — shielded metal arc welding above 160 amperes requires a minimum shade of 12 under the Subpart E filter tables.
11.2 Head, Eye, and Face Protection (1926.100 / 1926.102)
1. When Head Protection Is Required — 1926.100(a)
"Employees working in areas where there is a possible danger of head injury from impact, or from falling or flying objects, or from electrical shock and burns, shall be protected by protective helmets."
Note the trigger is possible danger, not demonstrated danger. On an active construction site with overhead work, material handling, and energized temporary power, that condition is essentially permanent — which is why 100% hard-hat policies are the industry norm rather than a task-by-task determination.
1926.100(b) accepts head protection that complies with any of three incorporated editions of the consensus standard — ANSI Z89.1-2009, ANSI Z89.1-2003, or ANSI Z89.1-1997 — or head protection the employer demonstrates to be equally effective.
2. Reading the ANSI/ISEA Z89.1 Label
Every compliant helmet carries a label inside the shell with a Type and a Class. Candidates routinely confuse the two.
Impact Type — Where the blow can come from
| Type | Protects Against | Typical Use |
|---|---|---|
| Type I | Top impact only — a vertical blow to the crown | The traditional hard hat. Falling-object protection. |
| Type II | Top impact AND lateral impact — front, back, and side | Safety helmets with internal foam liners; work near mobile equipment, at height, or where a fall or side strike is credible. |
Electrical Class — How much voltage the shell can take
| Class | Rating | Meaning |
|---|---|---|
| Class G (General) | Tested to 2,200 volts | The default for most general construction. |
| Class E (Electrical) | Tested to 20,000 volts | Required for utility work and any task with credible high-voltage contact exposure. |
| Class C (Conductive) | No electrical protection at all | Vented shells and aluminum hats. Comfortable, cool — and lethal near energized conductors. |
[!CAUTION] Exam Trap: the letter C does not stand for "Class C = certified." It stands for Conductive. A vented Class C helmet is legal head protection against falling objects and is completely non-compliant for anyone with electrical exposure. If a scenario places a worker near energized parts, the vented "cooler" helmet is always the wrong answer.
[!NOTE] The G/E memory hook: General = 2,200 V, Electrical = 20,000 V. One order of magnitude apart, and the higher number belongs to the letter that means electrical.
3. The Safety-Helmet Transition (SHIB 11-22-2023)
In November 2023 OSHA issued Safety and Health Information Bulletin 11-22-2023, "Head Protection: Safety Helmets in the Workplace," and announced that OSHA's own field personnel would move from traditional hard hats to safety helmets.
The engineering argument: a traditional Type I hard hat is a suspension system under a shell. It is very good at one thing — absorbing a vertical blow — and poor at everything else. It has no chin strap, so it leaves the head during the tumble phase of a fall. It provides no side impact resistance, which matters because struck-by and fall incidents rarely deliver a clean vertical load.
What a safety helmet adds:
- Type II lateral impact protection from an internal expanded-polystyrene or foam liner
- A chin strap / retention system so the helmet stays on during a fall or a slip
- Frequently, integrated face shields, eye protection, and hearing attachments
- Better weight distribution and, in many designs, improved ventilation without sacrificing the electrical class
Regulatory status: the SHIB is guidance, not a standard. 1926.100 still permits a compliant Type I Class G hard hat. But OSHA explicitly recommends safety helmets for workers at height, near mobile equipment, near electrical hazards, in high-temperature environments, and doing specialized work such as high-voltage or oil-and-gas tasks. Expect exam items that ask which document drives the transition (the SHIB) and whether hard hats are now prohibited (they are not).
4. Inspection, Service Life, and Field Abuse
| Condition | Action |
|---|---|
| Cracks, gouges, penetration, or a chalky/dull shell surface (UV degradation) | Remove from service |
| Any impact — even with no visible damage | Remove from service; the energy-absorbing structure is single-use |
| Suspension frayed, cracked, or with broken keys | Replace suspension |
| Drilled holes, or stickers covering enough shell to hide cracks | Non-compliant — drilling voids the electrical class entirely |
| Painted with solvent-based paint, or cleaned with solvents | Non-compliant — solvents attack the thermoplastic shell |
| Worn backward | Only permitted if the manufacturer specifically certifies reverse-wear (many suspensions are marked for it) |
Manufacturers commonly specify shell replacement at 5 years from date of manufacture and suspension replacement at 12 months, but the governing document is always the manufacturer's instruction, not a generic rule of thumb.
5. Eye and Face Protection — 1926.102
"Employees shall be provided with eye and face protection equipment when machines or operations present potential eye or face injury from physical, chemical, or radiation agents."
1926.102(a)(2) requires the equipment to meet ANSI Z87.1 (the standard incorporates the 2010, 2003, and 1989(R-1998) editions). Compliant lenses are permanently marked Z87 or Z87+ (the plus indicates high-impact rated).
Side Protection Is Not Optional
Where there is a hazard from flying objects, the standard requires eye protection with side protection. Detachable side shields are acceptable if they meet the requirement. Ordinary prescription glasses do not qualify — the worker needs either prescription safety eyewear meeting Z87.1 or goggles/over-the-glass protectors worn over their own lenses.
Selecting for the Hazard
| Hazard | Minimum Protection |
|---|---|
| Flying particles (grinding, chipping, nailing, sawing) | Z87+ safety glasses with side protection; face shield over glasses for high-energy grinding |
| Chemical splash (concrete slurry, solvents, acids) | Indirectly vented or non-vented goggles; face shield adds splash coverage but never replaces goggles |
| Dust | Non-vented or indirectly vented goggles |
| Optical radiation (welding, cutting, brazing) | Filter lens of the correct shade number |
[!CAUTION] A face shield is always secondary protection. It is worn over primary eye protection, never instead of it. A scenario in which a worker performs abrasive cutting wearing only a face shield is a violation regardless of how substantial the shield is.
Welding Filter Shades
Subpart E incorporates filter-lens shade tables keyed to the process and current. The values candidates are expected to know:
| Operation | Minimum Protective Shade |
|---|---|
| Torch soldering | 2 |
| Torch brazing | 3 |
| Oxygen cutting, light (under 1 inch) | 3 |
| Gas welding, light (under 1/8 inch) | 4 |
| Shielded metal arc welding, 1/8- to 5/32-inch electrodes | 10 |
| Shielded metal arc welding, over 5/32-inch electrodes / above 160 amperes | 12 |
| Atomic hydrogen welding / carbon arc welding | 14 (the darkest common shade) |
Helpers and bystanders need protection too. The flash burn ("arc eye") that sends a worker to urgent care is usually not the welder — it is the pipefitter twenty feet away with no screen and no shaded lens. Screens and shields around the arc are part of the eye-protection answer, not a separate courtesy.
An electrician will be pulling conductors in a temporary distribution panel where energized 480-volt parts may be exposed. The site supervisor offers him a well-maintained, vented, ANSI Z89.1 Type II Class C safety helmet with a chin strap because the heat index is 102°F. Is this selection compliant?
A laborer is using a 7-inch angle grinder to cut rebar. He is wearing Z87+ safety glasses with side shields and a full face shield. A second laborer standing four feet away, holding the stock steady, is wearing only Z87+ safety glasses with side shields. Which statement correctly evaluates this arrangement under 29 CFR 1926.102?
Which statement most accurately describes the regulatory status of OSHA Safety and Health Information Bulletin 11-22-2023, "Head Protection: Safety Helmets in the Workplace"?