what needs to have arc flash analysis
boundaries, and the calculation standard or the âequationsâ for the analysis. Working Distance The arc flash boundary and associated protection requirements are based on the incident energy levels available to the persons chest or face, not the hands or arms. The degree of injury depends on the percentage of the personâs skin that is burned, and the critical nature of the burn.
What is an Arc Most of us are familiar with an arc. The dictionary describes an electric arc as âa luminous bridge formed in a gap between two electrodesâ. An Arc Flash occurs during a fault, or short circuit condition, which passes through this arc gap.