Article 242 — Overvoltage Protection covers requirements for protecting electrical systems and equipment from overvoltage conditions.This Article addresses the installation and application of equipment intended to limit or control excessive voltage, helping protect electrical systems from damage caused by transient or sustained overvoltage conditions.
⚠️ Educational NoticeQuick Hits are educational explanations based on my understanding of the NEC. Always verify requirements in the current adopted NEC, applicable local amendments, manufacturer instructions, and with the AHJ.