When a hazard can harm personnel or equipment, what type of tag must be used?

• A. Caution
• B. Danger
• C. Warning
• D. Notice

Answer: (B)

The key idea is hazard communication using tags that show how serious a danger is. When a hazard can harm people or equipment, the tag used is Danger. This tag signals an imminent risk that could cause serious injury or death and may also threaten equipment, so work should stop and the hazard must be removed or mitigated before anyone proceeds. It’s typically red with the word Danger to convey the highest level of urgency. If the danger could cause only minor injury or limited equipment damage, a Warn­ing or Caution tag would be used instead, and a Notice is for informational purposes. This is why Danger is the best choice for hazards that threaten personnel or gear.