The National Electrical Code® (NEC®) is published by the National Fire Protection Association with revisions on a three-year schedule. The 2023 NEC, which replaces the 2020 NEC, was issued by NFPA in August 2022. This article was originally published as a preview to the key changes coming; it has now been updated at the end to include changes in the the final version.
Updated_2023 National Electrical Code-Revisions to Cable Requirements
This article is intended to provide the reader with a guide to the key changes in the 2023 National Electrical Code that are of interest to manufacturers, installers, distributors and users of Class 1, 2, 3 & 4, communications, fire alarm and optical fiber cables.