Hard Hats

Class A

• General service (e.g., mining, building construction, shipbuilding, lumbering, and manufacturing)
• Good impact protection but limited voltage protection

Class B

• Electrical work
• Protect against falling objects and high-voltage shock and burns

Class C

• Designed for comfort, offer limited protection
• Protects heads that may bump against fixed objects, but do not protect against falling objects or electrical shock

1910.135 – Head protection. | Occupational Safety and Health Administration (osha.gov)