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nec 690

  1. jar546

    NEC 690.47 Grounding Electrode System

    NFPA 70, Article 690.47 requires a grounding electrode system whenever you install a PV ( Photovoltaic) system, otherwise known as solar panels. Can the existing grounding electrode system of a building be utilized for compliance with NEC 690.47? Would any of you require a separate grounding...
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