At one time, the National Electrical Code (NEC) contained two Articles you won’t find as of the 2020 revision: Art. 280 (surge arrestors) and Art. 285 (transient voltage surge suppressors or TVSS).

Courtesy of www.MikeHolt.com All questions and answers are based on the 2020 NEC. Q. What does the NEC require as the minimum size of branch-circuit conductors for a single motor compressor for air ...