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ESFI reports arc flash fatalities based on BLS statistics at 1 in 100, 000/year. ... While I was looking for current data on arc flash incident injuries, I found a current source with the same statistics I was using. ... Keep in mind that for instance the phase angle plays a big part in the incident energy and can often almost double the ...

or 3 numbers based on perceived risk. Important note on arc-flash labels It needs to be stated clearly that the table method is used only if an incident energy analysis has not been conducted. If an incident energy analy-sis has been performed the estimated incident energy exposure to the worker is calculated and

Session Eight: Calculating Arc and Incident Energy in an Arc Flash ... arcing energy calculations should be based on the worst-case condition, i.e., when the voltage across the arc is equal to half the system voltage. For cases where voltage is over 15 kV, or gap is outside the range of the ...