The National Electrical Code® (NEC®) is published by the National Fire Protection Association (NFPA) with the revisions on a three-year schedule. The 2020 NEC, which replaces the 2017 NEC, was issued by the NFPA in August, 2019. This article provides the reader with a guide to the key changes in the 2020 National Electrical Code that are of interest to manufacturers, installers, distributors and users of data/comm cables.
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