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Illustrated Changes to the NEC, 2005 Edition - Part 2

Article 680

Swimming Pools, Spas, Hot Tubs, Fountains, and Similar Installations

680.26 Equipotential Bonding

The term “Equipotential Bonding” was added to the title to clarify that the purpose of bonding is to reduce electric shock from stray voltage.

Fine Print Note converted into a Code requirement to specify that “equipotential bonding conductors aren’t required to extend to any panelboard, service equipment, or an electrode.”


(A) Performance. Equipotential bonding is intended to reduce or eliminate voltage gradients from stray voltage in the permanently installed pool, outdoor spa, and outdoor hot tub area by forming a common bonding grid.

Author’s Comment: Equipotential bonding isn’t intended to provide a low-impedance ground-fault current path to help assist in clearing a ground fault.

The 8 AWG or larger solid copper equipotential bonding conductor [680.26(C)] isn’t required to extended to or be attached to any panelboard, service equipment, or an electrode.


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