ONJune 11, 1999, an electrician was troubleshooting the emergency power system. After testing the transfer panel, he moved to the emergency breaker compartment (480 volts, 200 amps), removed the cover ...

Arc flash explosions are short, intense bursts of energy that can reach temperatures four times hotter than the surface of the sun (think 35,000 degrees Fahrenheit), even though they only last for ...

The Occupational Safety and Health Administration (OSHA) has begun to aggressively monitor compliance with passage of the National Fire Protection Association's (NFPA) 70E standard, issued in 2000. In ...

OSHA's job is to ensure safety in the workplace, but in many cases, the agency leaves the methods for achieving safety to other standard-setting bodies. An excellent example of this arc flash safety.

Every day, an estimated five to 10 arc flash incidents occur and more than 2,000 people are hospitalized each year, according to The National Fire Protection Association (NFPA). With arc flash and ...

An arc flash is a sudden discharge of energy, connecting a component with the ground or another voltage phase in the same system through the air. This discharge can result from loose connections, ...

Tri-State Generation and Transmission requires its linemen to wear flame-retardant clothing and use the proper tools and personal protective equipment when working ...

When electrical equipment must be maintained or repaired while energized, an arc flash hazard may be present. Affected workers need to know what steps should be taken to stay safe. Arc flash warning ...

An arc flash occurs due to a phase-to-ground or phase-to-phase short circuit. The extreme heat, light, and pressure blasts associated with these events make it necessary to take precautions when ...

The National Fire Protection Association (NFPA) and the Phoenix Society for Burn Survivors introduce an additional, final video interview of its Faces of Fire/Electrical series, which features ...