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).
Explanation: Section 240.21 states, “Overcurrent protection shall be provided in each ungrounded circuit conductor and shall be located at the point where the conductors receive their supply.” Section ...
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