Which color is used in NFPA 704 to indicate fire hazard on the hazard diamond?

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Multiple Choice

Which color is used in NFPA 704 to indicate fire hazard on the hazard diamond?

Explanation:
Red is used to indicate the fire hazard. In the NFPA 704 hazard diamond, each colored quadrant conveys a different type of hazard: blue for health, red for flammability (fire hazard), yellow for reactivity, and white for special hazards. The numbers inside each colored area (0 to 4) show the severity, with red specifically communicating how flammable the material is. The other colors don’t indicate fire hazard—blue covers health risks, yellow covers reactivity, and white denotes special hazards such as oxidizers or corrosives. This system lets emergency responders quickly grasp the primary risks at a glance.

Red is used to indicate the fire hazard. In the NFPA 704 hazard diamond, each colored quadrant conveys a different type of hazard: blue for health, red for flammability (fire hazard), yellow for reactivity, and white for special hazards. The numbers inside each colored area (0 to 4) show the severity, with red specifically communicating how flammable the material is. The other colors don’t indicate fire hazard—blue covers health risks, yellow covers reactivity, and white denotes special hazards such as oxidizers or corrosives. This system lets emergency responders quickly grasp the primary risks at a glance.

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