![]() The resultant energy is measured in calories per square centimeter (Cal/cm2), or incident energy.Īn arc flash study, also called an arc flash hazard analysis or arc flash risk assessment, is a study that identifies arc flash hazards, estimates the likelihood of severe injury, and helps determine the additional protections (controls and personal protective equipment (PPE)) needed for a given electrical system/installation as defined in NFPA 70E: Standard for Electrical Safety in the Workplace. ![]() The energy is released as heat and light collide (electrical explosion) and create a concussive pressure wave that can carry shrapnel.
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