Available Fault Current Labels

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3 min read Available fault current is the maximum current in a short circuit. Electrical service panels must be labeled with the current, and the date it was calculated. If it changes, the label needs to be replaced with the new calculation and date. In this podcast we review the change in the NFPA 70 National Electrical Code 2011. The code requires continually updated available fault current labels. If your service equipment labels were placed before 2011, they …

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