『Ring of Safety: Equipotential Bonding Around Your Pool (NEC 680.26)』のカバーアート

Ring of Safety: Equipotential Bonding Around Your Pool (NEC 680.26)

Ring of Safety: Equipotential Bonding Around Your Pool (NEC 680.26)

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Standards & references cited

  • NEC 680.26 intent & scope: equipotential bonding to reduce voltage gradients; overview of (B)(1)–(7).
    ECM Web
  • NEC 680.26(B)(2) perimeter surfaces: 3 ft zone; 12×12 in copper grid option; four points around conductive shells; note on nonconductive shells.
    Electrical License Renewal+1
  • NEC 680.26(C) pool water bonding: ≥ 9 in² conductive surface in contact with the water.
    Electrical License Renewal
  • NEC 250.8 connection methods for grounding/bonding (listed pressure connectors, exothermic, no solder-dependent joints).
    Mypdh.engineer+1
  • NEC 680.7 (grounding & bonding terminals): terminals/lugs identified for wet/corrosive locations; many marked “direct burial/DB.”
    Electrical License Renewal
    Note: Local adoption cycles vary (e.g., some jurisdictions are on 2020 NEC). Always check your AHJ’s currently enforced edition.
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