permanent or semipermanent basis and used for swimming, wading, immersion, or therapeutic purposes.

Pool Cover, Electrically Operated. Motor-driven equip- ment designed to cover and uncover the water surface of a pool by means of a flexible sheet or rigid frame.

Self-Contained Spa or Hot Tub. Factory-fabricated unit consisting of a spa or hot tub vessel with all water- circulating, heating, and control equipment integral to the unit. Equipment can include pumps, air blowers, heaters, lights, controls, sanitizer generators, and so forth.

Self-Contained Therapeutic Tubs or Hydrotherapeutic Tanks. A factory-fabricated unit consisting of a therapeutic tub or hydrotherapeutic tank with all water-circulating, heating, and control equipment integral to the unit. Equipment may include pumps, air blowers, heaters, light controls, sanitizer generators, and so forth.

Spa or Hot Tub. A hydromassage pool, or tub for recre- ational or therapeutic use, not located in health care facilities, designed for immersion of users, and usually having a filter, heater, and motor-driven blower. It may be installed indoors or outdoors, on the ground or supporting structure, or in the ground or supporting structure. Generally, a spa or hot tub is not designed or intended to have its contents drained or discharged after each use.

Storable Swimming, Wading, or Immersion Pool. Those that are constructed on or above the ground and are capable of holding water to a maximum depth of

1.0 m (42 in.), or a pool with nonmetallic, molded
polymeric walls or inflatable fabric walls regardless of
dimension.

Through-Wall Lighting Assembly. A lighting assembly intended for installation above grade, on or through the wall of a pool, consisting of two interconnected groups of components separated by the pool wall.

Wet-Niche Luminaire. A luminaire intended for installation in a forming shell mounted in a pool or fountain structure where the luminaire will be completely surrounded by water.

680.3 Other Articles. Except as modified by this article, wiring and equipment in or adjacent to pools and fountains shall comply with other applicable provisions of this Code, including those provisions identified in Table 680.3.
Table 680.3 Other Articles

Topic Section or Article

Wiring Chapters 1-4
Junction box support 314.23
Rigid polyvinyl chloride 352.12 conduit (Type PVC)
Reinforced thermosetting 355.12
resin conduit (Type
RTRC)
Audio Equipment Article 640, Parts I and II
Adjacent to pools and 640.10 fountains
Underwater speakers*
*Underwater loudspeakers shall be installed in accordance with 680.27(A).

680.4 Approval of Equipment. All electrical equipment installed in the water, walls, or decks of pools,

fountains, and similar installations shall comply with the provisions of this article.

680.5 Ground-Fault Circuit Interrupters. Ground-fault circuit interrupters (GFCIs) shall be self-contained units, circuit-breaker or receptacle types, or other listed types.

680.6 Grounding. Electrical equipment shall be grounded in accordance with Parts V, VI, and VII of Article

250 and connected by wiring methods of Chapter 3, except as modified by this article. The following equipment shall be grounded:

(1) Through-wall lighting assemblies and underwater lumi-naires, other than those low-voltage lighting products listed for the application without a grounding conductor

(2) All electrical equipment located within 1.5 m (5 ft)

of the inside wall