Safety Colors for Physical Hazards
The Occupational Safety and Health Act (OSHA) requires that all industries color-code safety equipment locations, physical hazards and protective equipment.
Fire protection equipment, containers of flammable liquids, lights at barricades and obstructions, stop bars and switches on machinery, fire alarm boxes, fire exit signs, sprinkler piping.
Caution, physical hazard, construction equipment, handrails, guardrails, material handling equipment, piping systems containing dangerous materials, waste containers, exposed, unguarded edges.
Dangerous parts of machinery, inside of movable guards, safety starting buttons, exposed parts.
Caution, equipment under repair. Warnings should be located at the starting point or power source of machinery.
Safety, first aid equipment, safety bulletin boards, gas, masks, stretchers, safety deluge showers.
Designates radiation hazards. Often used in combination with yellow on tags, labels, signs, and floor markers.
BLACK & WHITE
Traffic and housekeeping markings, dead ends of aisles or passageways, stairways, directional signs, and refuse cans.
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