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).
Art. 430, Part V provides the requirements for motor feeder short-circuit and ground-fault protection. It specifies protective devices intended to protect motor feeder conductors from overcurrents ...
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