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WHAT IS AN ARC FLASH BOUNDRY?

April 26, 2017ARC boundry Flash

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WHAT IS AN ARC FLASH BOUNDRY?

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NFPA 70e defines a “flash protection boundary within which a person could receive a second-degree burn if an electrical arc flash were to occur”. It also defines incident energy as “the amount of energy impressed on a surface, a certain distance from the source, generated during an electrical arc event.” NFPA 70e requires the calculation and creation of a “flash protection boundary”. This imaginary boundary, which surrounds the potential arc point, specifies what level of personal protective clothing and equipment must be used by qualified workers who enter within that boundary.