Authorized and affected employees face different levels of risk from hazardous energy, so there are different safety requirements for each.

Some of the most prevalent workplace hazards aren’t seen – they’re heard. The National Institute for Occupational Safety and Health (NIOSH) reports that 22 million U.S. workers are exposed to damaging noise levels at work, and according to the Centers for Disease Control and Prevention (CDC), workplace-related hearing loss is the most commonly reported injury.