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What is an Arc Flash?
Think of an arc flash as a short circuit through the air. In an arc flash incident, an enormous amount of concentrated radiant energy explodes out wards from the electrical equipment creating pressure waves that can damage a persons hearing, a high-intensity flash that can damage their eyesight and a superheated ball of gas that can severely burn a workers body and melt metal. The pressure waves can also send loose material like pieces of damaged equipment, tools and other objects flying through the air.
How does it affect my equipment?
On a fundamental level, no live electrical equipment can ever be considered "safe" even with the covers in the closed position. Although the arc-flash phenomenon has been present since electricity was first distributed it has not been until recent years that safety related work practices have been brought to the forefront.
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