Recently constructed buildings fully compliant with the National Electrical Code (N.E.C.) should have low levels of circulating ground/net current less than several amps (2.5 amps) measured on the secondary feeders unless there are serious N.E.C. violations (i.e., grounded neutrals and wiring errors) in the electrical distribution system.

Recommended Ground Net Current Testing.pdfDownload 
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  • Create Date January 26, 2021
  • Last Updated January 27, 2021