As EC&M reported here and here in June, the National Fire Protection Association (NFPA) issued two Tentative Interim Amendments (TIAs) to the 2020 edition of NFPA 70, National Electrical Code, which ...
Note: This article references the 2020 NEC because the Philadelphia area — the jurisdiction where this author teaches and works — operates under that version of the Code. Outlining the use of ...
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