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Colors For Industry | Safety Yellow: Physical Hazards (low beams, railings, posts, etc.). Cranes and Hoists, and Material Handling Equipment. | | Safety Blue: Electrical Controls, Special Repair Areas (scaffolding, compressors, dryers, valves, ovens ,etc.). | | Safety Green: Safety and First Aid (first aid kits, gas masks) | | Safety Purple: Radiation hazards (burial storage areas, disposal cans, contaminated equipment, containers, etc.) | | Safety Orange: Use to identity dangerous machine parts, safety starting buttons, gears, rollers, etc. | | Safety Red: Use to identity Fire Protection Equipment (exit signs, alarm boxes, extinguishers), Danger (hazardous contents, barricades, etc.), and Stop (emergency buttons and switches on machinery). |
Pipe Identification and Color Codeing | | ASA Recommended Markings |
| Red: For fire fighting equipment, fire protection apparatus and sprinkler systems. | | Yellow: For hazardous materials which are flammable, toxic, poisonous, corrosive, high temperature or under high pressure. | | Green: For non-hazardous materials, non-poisonous, non-flammable, moderate temperature, under low pressure, such as drinking water, syrups, glycols, etc. | | Blue: For protective materials, for preventing or reducing hazards of dangerous materials (other than fire fighting). |
Suggested Banding for Specific Materials | The following color banding of pipes, to identify specific materials more readily, is suggested for industry as a preferred standard. Pipes which are painted The same color as The room should be banded every twenty feet and at least once in every room. |
Acid or Alkali | Yellow-Red-Yellow | Fuel Oil | Yellow-Black-Yellow | Ammonia | Purple-Red-Purple | Gas | Yellow-Brown-Yellow | Brine | Label Only | Hot City Water | Green-Yellow-Green | Cold City Water | Green | Hot Lake Water | Blue-Yellow-Blue | Cold Lake Water | Blue | Oxygen | Green Line-Yellow Stripe | Compressed Air | Green-Aluminum-Green | Process Oil | Yellow | Electrical Conduit | Gray | Steam, Hi-Pressure | White-Orange-White | Fire Protection | Red | Steam, Lo-Pressure | Orange-White Orange | Freon | Purple-Yellow-Purple | Waste | Black |
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