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Why should I have a short circuit and protective device coordination study performed prior to the arc flash hazard analysis?

April 26, 2017ARC circuit coordination device Flash Performed prior Protective short study

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Why should I have a short circuit and protective device coordination study performed prior to the arc flash hazard analysis?

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The Petroleum and Chemical Industry Committee (PCIC) recommends that Arc Flash Calculations be completed in conjunction with Short Circuit Calculations and Protective Device Coordinations to help ensure that the most accurate Arc Flash Hazard results were achieved. Arc Flash Hazard Boundaries are based on voltage, available short-circuit current and predicted fault duration.