2020 edition of the National Electrical Code as developed by the National
McGraw-Hill’s National Electrical Code® 2020 Handbook is based on the
Electrical Code Committee of the American National Standards Institute
(ANSI), sponsored by the National Fire Protection Association® (NFPA®).
The National Electrical Code is identified by the designation NFPA No. 70-
2020.
The NFPA adopted the Code at the NFPA Technical Meeting held in
June, 2019 and the Standards Council officially issued it in August, 2019.