680-Swimming Pools, Fountains,and Similar Installations: Page 21 of 22

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that are not easily moved from one place to another in normal use or that are fastened or otherwise secured at a specific location, including associated piping systems, shall conform to Part VI.

(A) Protection. Except as otherwise provided in this section, the outlet(s) that supplies a self-contained therapeutic tub or hydrotherapeutic tank, a packaged therapeutic tub or hydrotherapeutic tank, or a field- assembled therapeutic tub or hydrotherapeutic tank shall be protected by a ground-fault circuit interrupter.

(1) Listed Units. If so marked, a listed self-contained unit or listed packaged equipment assembly that includes integral ground-fault circuit-interrupter protection for all electrical parts within the unit or assembly (pumps, air blowers, heaters, lights, controls, sanitizer generators, wiring, and so forth) shall be permitted without additional GFCI protection.

(2) Other Units. A therapeutic tub or hydrotherapeutic tank rated 3 phase or rated over 250 volts or with a heater load of more than 50 amperes shall not require the supply to be protected by a ground-fault circuit interrupter.

(B) Bonding. The following parts shall be bonded together:

(1) All metal fittings within or attached to the tub structure

(2) Metal parts of electrical equipment associated with the tub water circulating system, including pump motors

(3) Metal-sheathed cables and raceways and metal piping that are within 1.5 m (5 ft) of the inside walls of the tub and not separated from the tub by a permanent barrier

(4) All metal surfaces that are within 1.5 m (5 ft) of the inside walls of the tub and not separated from the tub area by a permanent barrier

(5) Electrical devices and controls that are not associated with the therapeutic tubs and located within 1.5 m (5 ft) from such units.

(C) Methods of Bonding. All metal parts required to be bonded by this section shall be bonded by any of the fol lowing methods:

(1) The interconnection of threaded metal piping and fittings

(2) Metal-to-metal mounting on a common frame or base

(3) Connections by suitable metal clamps

(4) By the provisions of a solid copper bonding jumper,

insulated, covered, or bare, not smaller than 8
AWG

(D) Grounding.

(1) Fixed or Stationary Equipment The equipment speci fied in (a) and (b) shall be connected to the equipment grounding conductor.

(a) Location. All electrical equipment located within

1.5 m (5 ft) of the inside wall of the tub shall be
connected to the equipment grounding conductor.

(b) Circulation System. All electrical equipment

associated with the circulating system of the tub shall
be connected to the equipment grounding conductor.

(2) Portable Equipment Portable therapeutic appliances shall meet the grounding requirements in

250.114.
(E) Receptacles. All receptacles within 1.83 m (6 ft) of atherapeutic tub shall be protected by a ground-fault circuit interrupter.
(F) Luminaires. All luminaires used in therapeutic tub areas shall be of the totally enclosed type.

VII. Hydromassage Bathtubs

680.70 General. Hydromassage bathtubs as defined in

680.2 shall comply with Part VII of this article. They
shall not be required to comply with other parts of this
article.

680.71 Protection. Hydromassage bathtubs and their associated