For system grounding, PV system circuits that exceed 30V or 8A shall be provided with ground fault protection [690. Further, it must meet the requirements of 690. Bonding connects metal equipment parts together to establish electrical continuity and prevent electric shock. Most solar. . If you need a refresher, our articles offer a deep dive into grounding vs. bonding as defined by NEC 250 and the specifics within NEC Article 250. National Electrical Code® (NEC®) published by the National Fire Protection Association (NFPA). The NEC and the NEC Handbook are copyrighted by NFPA and the term NFPA-70 is a trademark owned by the NFPA (NFPA, 2011).
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