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 ...
With several NFPA standards to be presented for action in June at the National Fire Protection Association (NFPA) summer meeting, let’s analyze some proposed amendments to the 2026 National Electrical ...
Most electrical workers today recognize that, in recent years, a major emphasis has been placed on arc flash hazard recognition. Depending on the maturity of your company’s electrical safety program, ...
Electrical crews rarely operate in ideal conditions. Most of the time, crews are making repairs and improvements in vast, open spaces. That makes workers more vulnerable to risks and hazardous ...
MARBLEHEAD, Mass., Sept. 22, 2020 (GLOBE NEWSWIRE) -- The leading companies in the Arc-Rated (AR) & Flame-Resistant (FR) clothing and Personal Protective Equipment (PPE) industry announced today the ...
When Ralph Lee first called attention to the threat of arc-flash explosions in the early 1980s, he noted that an electric arc between metals is four times as hot as the surface of the sun. Perhaps ...
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 ...
Arc flash is defined as an explosive release of energy caused by an electrical arc. Typically, the arc results from either a phase-to-ground or phase-to-phase fault created by many possible events.
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