Safety Signals - Recommended Colors
American National Standards Institutes schedule for safety colors marking physical hazards.
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Recommended use of colors with additional information about piping, duct-work, etc.
PLANT EQUIPMENT | |
| RED = FIRE PROTECTION | ALARM BOXES |
| BLANKET BOXES | |
| BUCKETS | |
| EXTINGUISHERS | |
| HOSE LOCATIONS PUMPS | |
| HYDRANTS | |
| SIRENS | |
| EXIT SIGNS | |
| SAFETY CANS AND CONTAINERS FOR FLAMMABLE LIQUIDS | |
| YELLOW = CAUTION | FRONT ENDS OF LOCOMOTIVES |
| HAND RAILS | |
| BULLDOZERS | |
| TRACTORS | |
| EXPOSED EDGES OF PLATFORMS AND CURBING | |
| GUARDRAILS | |
| PILLARS & POSTS | |
| COLUMNS | |
| FORK LIFTS | |
| DOORWAY PROJECTIONS | |
| LOW BEAMS | |
| PULLEY BLOCKS AND CRANES | |
| CONVEYORS | |
| CAUTION SIGNS | |
| PURPLE = RADIATION HAZARDS | |
| ORANGE = DANGEROUS MACHINERY PARTS (WHICH MAY CUT, CRUSH OR SHOCK) | EXPOSED PARTS OF PULLEYS |
| GEARS | |
| ROLLERS | |
| CUTTING DEVICES | |
| POWER JAWS | |
| SAFETY STARTING BUTTONS | |
| INSIDE OF MOVABLE GUARDS | |
| ELECTRICAL SWITCH BOXES | |
| FUSE BOXES | |
| BLUE = WARNING AGAINST STARTING, OR MOVING EQUIPMENT UNDER REPAIRS | LADDERS |
| SCAFFOLDING | |
| ELECTRICAL CONTROLS | |
| ELEVATOR STARTING CONTROLS | |
| BOILERS | |
| DRYERS | |
| MACHINERY, ETC. | |
| GREEN = SAFETY DESIGNATES LOCATION | FIRST AID DISPENSERS |
| FIRST AID KITS | |
| GAS MASKS | |
| STRETCHER | |
| SAFETY SHOWERS | |
| OTHER SAFETY EQUIPMENT | |
| SAFETY INSTRUCTION SIGNS | |
IDENTIFICATION OF PIPES | |
| RED = FIRE PROTECTION AND SPRINKLER PIPING | POST INDICATOR VALVES FOR SPRINKLER SYSTEMS |
| YELLOW OR ORANGE - DANGEROUS MATERIALS | FLAMMABLE LIQUIDS GASOLINE, NAPHTHA, FUEL OIL, ETC. |
| POISONOUS GASES CHLORINE GAS, AMMONIA, SULPHUR DIOXIDE, ETC. | |
| CORROSIVE LIQUIDS ACIDS, ALKALIS | |
| STEAM, WATER, OR AIR AT HIGH TEMPERATURES AND PRESSURES | |
| GREEN = MATERIALS LOW IN TEMPERATURES AND PRESSURES: NON-POISONOUS NON-FLAMMABLE | FIRST AID DISPENSERS |
| FIRST AID KITS | |
| GAS MASKS | |
| STRETCHER | |
| SAFETY SHOWERS | |
| OTHER SAFETY EQUIPMENT | |
| SAFETY INSTRUCTION SIGNS | |
| BLUE = PROTECTIVE MATERIALS FOR PREVENTING OR REDUCING HAZARDS OF DANGEROUS MATERIALS | INCLUDES SPECIAL GASES TO COUNTERACT OR NEUTRALIZE POISONOUS FUMES, WHICH ARE PIPED FOR RELEASING IN EVENT OF DANGEROUS PROTECTIVE MATERIAL OTHER THAN FIRE PROTECTION |
Standards
- ANSI Z535.1 American National Standard for Safety Colors
- ISO 3864 Graphical symbols -- Safety colors and safety signs
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