In the NFPA 704 system, which color denotes fire hazard on the placard?

In the NFPA 704 system, which color denotes fire hazard on the placard?

• A. Blue
• B. Red
• C. White
• D. Yellow

Answer: (B)

Red denotes fire hazard (flammability) on the NFPA 704 placard. The placard is a diamond divided into four colored sections: blue for health hazards, red for flammability, yellow for instability/reactivity, and white for special hazards. Each section can show a number from 0 to 4 to indicate how severe the hazard is, with higher numbers signaling greater danger. This setup lets responders quickly gauge what kind of protective actions and precautions are needed, while the other colors provide information about health effects, reactivity, and any special conditions.

Red denotes fire hazard (flammability) on the NFPA 704 placard. The placard is a diamond divided into four colored sections: blue for health hazards, red for flammability, yellow for instability/reactivity, and white for special hazards. Each section can show a number from 0 to 4 to indicate how severe the hazard is, with higher numbers signaling greater danger. This setup lets responders quickly gauge what kind of protective actions and precautions are needed, while the other colors provide information about health effects, reactivity, and any special conditions.