From June 2019 to February 2020, National Electrical Code expert Michael Johnston explained all the changes that went into the 2020 edition of the NEC as part of the three-year revision cycle. Below is a list of all nine parts of that series.
Part 1: Every Three Years: Significant Changes in the 2020 NEC
Part 2: New Definitions and Revisions
About The Author
Michael Johnston
NECA Executive Director of Codes and Standards (retired)JOHNSTON, who retired as NECA’s executive director of codes and standards in 2023, is a former member and chair of NEC CMP-5 and immediate past chair of the NEC Correlating Committee. Johnston continues to serve on the NFPA Standards Council and the UL Electrical Council. Reach him at [email protected].
