OSHA estimates that nearly 3 million workers in various fields are exposed to the dangers of hazardous energy on a regular basis. There is no real way of knowing exactly how many workers are truly exposed, but it is an easy assumption to think it is much more than 3 million.
Common energy sources that employees are required to control are electrical, hydraulic, pneumatic, chemical, thermal, machinery with moving parts, tensioned springs and gravity. In many cases, the equipment or machinery may have several energy sources as well. These hazardous energy sources can cause devastating injuries and death if they are
