Which tag indicates equipment must not be operated because it could jeopardize safety?

• A. Danger tag
• B. Caution tag
• C. Out-of-commission label
• D. Out-of-calibration

Answer: (A)

A danger tag signals an immediate safety hazard and tells you not to operate the equipment until a qualified person has assessed and cleared it. This is the strongest warning, meant to prevent serious injury or worse by halting use until the hazard is addressed. A caution tag warns of a potential hazard and advises care but doesn’t prohibit operation in the same urgent way. An out-of-commission label simply means the equipment isn’t working and should not be used, but it doesn’t by itself communicate a direct safety risk in operation. An out-of-calibration tag points to inaccurate readings or measurements, which is an accuracy issue rather than a direct safety threat to operating the equipment.