Notify workers of electrical hazards such as buried cable and high-voltage equipment. These signs meet OSHA safety color standards for indicating hazards.

Caution headers indicate a potentially hazardous situation that, if not avoided, may result in minor or moderate injury.

Danger headers are typically used in extreme conditions to indicate an imminently hazardous situation that, if not avoided, will result in death or serious injury.

Warning headers indicate a moderately hazardous situation that, if not avoided, may result in death or serious injury.