Although standards have developed and evolved to help keep workers safe around electrical equipment, the fact is that tens of thousands of electrical accidents still occur each year in industrial environments. According to the National Fire Protection Association (NFPA), hundreds of deaths and thousands of disabling injuries occur each year that are caused by shock, electrocution, arc flash and arc blast.
Arc flashes are the most common electrical incidences. Responsible for about 80% of electrical-related injuries, arc flashes can cause severe personal injury and equipment damage when an arc fault superheats the air around it, expanding and creating a pressure wave within an electrical enclosure. Explosions can be as hot as 35,000°F, and can send shrapnel and molten metal flying out from equipment.
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