680.22 Area Lighting, Receptacles, and Equipment....
(5) GFCI Protection. All 125-volt receptacles located
within 6.0 m (20 ft) of the inside walls of a pool or fountain
shall be protected by a ground-fault circuit interrupter. Receptacles
that supply pool pump motors and that are rated
15 or 20 amperes, 120 volt through 240 volts, single phase,
shall be provided with GFCI protection.
III. Storable Pools
680.30 General. Electrical installations at storable pools
shall comply with the provisions of Part I and Part III of
this article.
680.31 Pumps. A cord-connected pool filter pump shall
incorporate an approved system of double insulation or its
equivalent and shall be provided with means for grounding
only the internal and nonaccessible non–current-carrying
metal parts of the appliance.
The means for grounding shall be an equipment
grounding conductor run with the power-supply conductors
in the flexible cord that is properly terminated in a
grounding-type attachment plug having a fixed grounding
contact member.
680.32 Ground-Fault Circuit Interrupters Required.
All electrical equipment, including power-supply cords,
used with storable pools shall be protected by ground-fault
circuit interrupters.