Tag Archives: national electrical code

AHJs Use NFPA 790 & 791 to Qualify Labs for Electrical Equipment Field Evaluations

Authorities Having Jurisdiction (AHJs) in the United States have typically used the National Electrical Code, NFPA 70, as the basis for approving electrical equipment installations in the United Sates. Much of the Code relies on having products manufactured and certified by a recognized testing laboratory to consensus-based U.S. product safety standards. In Canada, the AHJs... Read More