![]() The algorithms are available in IEEE 1584 standards for the calculation of incident energy and arc flash protection boundaries. The procedures and methodologies are clearly laid out in NFPA 70E standards. It is quite important for the people working around the electrical people to know the safe distance so that they don't enter the risk zones unless necessary with required PPE.Ī plant should conduct a professional Arc Flash Risk assessment and calculate the arc flash boundary. This will help the person stay safe even in the case of an arc flash accident in the worst case. Arc Flash boundary will provide you the safe distance you need to maintain from the live circuit. Ignorance can not be an excuse for safety. Why should I calculate Arc Flash Boundary? This is the reason NFPA insists to conduct a professional arc flash risk assessment for the plants and calculate the arc flash boundary and mark it clearly and legibly and implement administrative protocols so as people don't cross this arc flash boundary without PPE. This keeps the persons at a bigger unknown risk of arc flash accidents which can happen as witnessed in the above video. ![]() People generally do not understand the grave risk in arc flash accidents and keep crossing the arc flash boundary without any safety measures. NFPA 70E clearly states that a person should not cross arc flash boundary without the respective arc flash PPE determined or calculated for that electrical system. Arc Flash Boundary or the Flash Protection Boundary is the safe distance a person should maintain from the live electrical system.
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