ADOPTS WITH AMENDMENTS:

International Residential Code 2018 (IRC 2018)

Part I — Administrative

Part II — Definitions

Part III — Building Planning and Construction

Part IV — Energy Conservation

Part V — Mechanical

Part VI — Fuel Gas

Part VII — Plumbing

Part VIII — Electrical

Part IX — Referenced Standards

Heads up: There are no amended sections in this chapter.

Chapter 42 Spas, Hot Tubs, and Hydromassage Tubs

AMENDMENT
This section has been amended at the state or city level.

Section E4201 General

AMENDMENT
This section has been amended at the state or city level.

E4201.1 Scope

AMENDMENT
This section has been amended at the state or city level.
The provisions of this chapter shall apply to the construction and installation of electric wiring and equipment associated with all hot tubs and spas, and hydromassage bathtubs, whether permanently installed or storable, and shall apply to metallic auxiliary equipment, such as pumps, filters, and similar equipment. Electrical installations of in-ground, above ground and therapeutic pools, and ornamental fountains shall comply with the requirements of the Indiana Electrical Code, 675 IAC 17.

E4201.2 Definitions (680.2)

AMENDMENT
This section has been amended at the state or city level.
CORD-AND-PLUG-CONNECTED LIGHTING ASSEMBLY. A lighting assembly consisting of a cord-and-plug-connected transformer and a luminaire intended for installation in the wall of a spa or hot tub.

DRY-NICHE LUMINAIRE. A luminaire intended for installation in the floor or wall of a spa.

HYDROMASSAGE BATHTUB. A permanently installed bathtub equipped with a recirculating piping system, pump, and associated equipment designed so it can accept, circulate and discharge water upon each use.

LOW-VOLTAGE CONTACT LIMIT. A voltage not exceeding the following values:
  1. 15 volts (RMS) for sinusoidal ac.
  2. 21.2 volts peak for nonsinusoidal ac.
  3. 30 volts for continuous dc.
  4. 12.4 volts peak for dc that is interrupted at a rate of 10 to 200 Hz.
MAXIMUM WATER LEVEL. The highest level that water can reach before it spills out.

NO-NICHE LUMINAIRE. A luminaire intended for installation above or below the water without a niche.

PACKAGED SPA OR HOT TUB EQUIPMENT ASSEMBLY. A factory-fabricated unit consisting of water circulating heating and control equipment mounted on a common base intended to operate a spa or hot tub. Equipment may include pumps, air blowers, heaters, luminaires, controls, and sanitizer generators.

SELF-CONTAINED SPA OR HOT TUB. A factory-fabricated unit consisting of a spa or hot tub vessel with all water circulating, heating and control equipment integral to the unit. Equipment may include pumps, air blowers, heaters, luminaires, controls and sanitizer generators.

SPA OR HOT TUB. A hydromassage pool, or tub for recreational or therapeutic use, not located in health care facilities, designed for immersion of users, and usually having a filter, heater, and motor-driven blower. They are 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/PORTABLE SPAS AND HOT TUBS. A spa or hot tub that is constructed on or above the ground 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 structure where the luminaire will be completely surrounded by water.

Section E4202 Wiring Methods for Pools, Spas, Hot Tubs, and Hydromassage Bathtubs

AMENDMENT
This section has been amended at the state or city level.

E4202.1 General

AMENDMENT
This section has been amended at the state or city level.
Wiring methods used in conjunction with permanently installed hot tubs that are installed in corrosive environments described in Section E4202.2.1 shall comply with Table E4202.1, Sections E4202.2 and E4205 and Chapter 38 except as otherwise stated in this section. Wiring methods used in conjunction with hot tubs that are not installed in noncorrosive environments shall comply with Chapter 38. Hydromassage bathtubs shall comply with Section E4209. [680.7; 680.14 (A) and (B); 680.23(8) and (F); 680.25(A); 680.42; 680.43; and 680.70]

TABLE E4202.1a
PERMITTED WIRING METHODS IN CORROSIVE ENVIRONMENTS
WIRING LOCATION OR PURPOSE (Application allowed where marked with an "A") IMCb, RMCb, RNCe LFMC LFNMC MCg FLEX CORD
Panelboard(s) that supply pool equipment: from service equipment to panelboard Af A
Wet-niche and no-niche luminaires: from branch circuit OCPD to deck or junction box A A
Wet-niche and no-niche luminaires: from deck or junction box to forming shell Aj A Ad
Dry niche: from branch circuit OCPD to luminaires A A
Pool-associated motors: from branch circuit OCPD to motorh A Ac Ac A Ad
Packaged or self-contained outdoor spas and hot tubs with underwater luminaire: from branch circuit OCPD to spa or hot tub A A A Ad
Packaged or self-contained outdoor spas and hot tubs without underwater luminaire: from branch circuit OCPD to spa or hot tub A A A Ad
Indoor spas and hot tubs, and other pool, spa or hot tub associated equipment: from branch circuit OCPD to equipment A A A Ad
Connection at pool lighting transformers or power supplies A Ai A
For SI: 1 foot = 304.8 mm.
  1. For all wiring methods, see Section E4205 for equipment grounding conductor requirements.
  2. See Section E4202.2.1 for use of metal conduits in corrosive environments.
  3. Limited to where necessary to employ flexible connections at or adjacent to a pool motor.
  4. Flexible cord shall be installed in accordance with Section E4202.2.
  5. Nonmetallic conduit shall be rigid polyvinyl chloride conduit Type PVC or reinforced thermosetting resin conduit Type RTRC.
  6. Aluminum conduits shall not be permitted in the pool area where subject to corrosion.
  7. Where installed as direct burial cable or in wet locations, Type MC cable shall be listed and identified for the location.
  8. See Section E4202.3 for listed, double-insulated pool pump motors.
  9. Limited to use in individual lengths not to exceed 6 feet. The total length of all individual runs of LFMC shall not exceed 10 feet.
  10. Metal conduit shall be constructed of brass or other approved corrosion-resistant metal.

E4202.2 Corrosive Environment

AMENDMENT
This section has been amended at the state or city level.
Areas where sanitation chemicals are stored, areas with circulation pumps, automatic chlorinators or filters, open areas under decks adjacent to or abutting structures and similar locations shall be considered to be corrosive environments. The air in such areas shall be considered to be laden with acid, chlorine and bromine vapors or any combination of acid, chlorine or bromine vapors; and any liquids or condensation in those areas shall be considered to be laden with acids, chlorine, and bromine vapors, or any combination of acid, chlorine or bromine vapors. [680.14 (A)]

E4202.2.1 Wiring Methods

AMENDMENT
This section has been amended at the state or city level.
Described in Section E4202.2 shall be listed and identified for use in such areas. Rigid metal conduit (RMC), intermediate metal conduit (IMC), rigid polyvinyl chloride conduit (RNC) and reinforced thermosetting resin conduit shall be considered to be resistant to the corrosive environment specified in Section E4202.2. [680.14 (B)]

E4202.3 Flexible Cords

AMENDMENT
This section has been amended at the state or city level.
Flexible cords used in conjunction with a spa, hot tub or hydromassage bathtub shall be installed in accordance with the following:
  1. For other than underwater luminaires, fixed or stationary equipment shall be permitted to be connected with a flexible cord to facilitate removal or disconnection for maintenance or repair. The flexible cord shall not exceed 3 feet (914 mm) in length.
  2. Other than listed low-voltage lighting systems not requiring grounding, wet-niche luminaires that are supplied by a flexible cord or cable shall have all exposed noncurrent-carrying metal parts grounded by an insulated copper equipment grounding conductor that is an integral part of the cord or cable. Such grounding conductor shall be connected to a grounding terminal in the supply junction box, transformer enclosure, or other enclosure and shall be not smaller than the supply conductors and not smaller than 16 AWG. [680.23(B)(3)]
  3. A listed packaged spa or hot tub installed indoors that is GCFI protected shall be permitted to be cord-and-plug connected provided that such cord does not exceed 15 feet (4572 mm) in length. [680.42(A)(2)]
  4. A listed packaged spa or hot tub rated at 20 amperes or less and installed indoors shall be permitted to be cord-and-plug connected to facilitate maintenance and repair. (680.43 Exception No. 1)
  5. For other than underwater lighting luminaires, the requirements of Item 1 shall apply to any cord-equipped luminaire that is located within 16 feet (4877 mm) radially from any point on the water surface. [680.22(B)(5)]

E4202.4 Ground-Fault Circuit-Interrupters Required

AMENDMENT
This section has been amended at the state or city level.
Electrical equipment, including power-supply cords, shall be protected by ground-fault circuit-interrupters. 125-volt, 15-ampere and 20-ampere receptacles located within 20 feet (6096 mm) of the inside walls of a storable spa, or storable hot tub shall be protected by a ground-fault circuit-interrupter. In determining these dimensions, the distance to be measured shall be the shortest path that the supply cord of an appliance connected to the receptacle would follow without passing through a floor, wall, ceiling, and doorway with hinged or sliding door, window opening, or other effective permanent barrier. (680.32)

E4202.5 Luminaires

AMENDMENT
This section has been amended at the state or city level.
Luminaires for storable spas and storable hot tubs shall not have exposed metal parts and shall be listed for the purpose as an assembly.

E4202.5.1 Over the Low-Voltage Contact Limit but Not Over 150 Volts

AMENDMENT
This section has been amended at the state or city level.
A lighting assembly without a transformer or power supply, and with the luminaire lamp(s) operating at over the low-voltage contact limit, but not over 150 volts, shall be permitted to be cord and-plug connected where the assembly is listed as an assembly for the purpose and complies with all of the following:
  1. It has an impact-resistant polymeric lens and luminaire body.
  2. A ground-fault circuit-interrupter with open neutral conductor protection is provided as an integral part of the assembly.
  3. The luminaire lamp is permanently connected to the ground-fault circuit-interrupter with open-neutral protection.
  4. The design of an underwater luminaire supplied from a branch circuit either directly or by way of a transformer or power supply shall be such that, where the fixture is properly installed without a ground-fault circuit-interrupter, there is no shock hazard with any likely combination of fault conditions during normal use (not relamping). In addition, a ground-fault circuit-interrupter protection for personnel shall be installed in the branch circuit supplying luminaires operating at voltages greater than the low-voltage contact limit, to protect personnel performing lamping, relamping, or servicing. The installation of the ground-fault circuit-interrupter shall be such that there is no shock hazard with any likely fault-condition combination that involves a person in a conductive path from any ungrounded part of the branch circuit or the luminaire to ground. Compliance with this requirement shall be obtained by the use of a listed underwater luminaire and by installation of a listed ground-fault circuit-interrupter in the branch circuit or a listed transformer or power supply for luminaires operating at more than the low-voltage contact limit. Luminaires that depend on submersion for safe operation shall be inherently protected against the hazards of overheating when not submerged. [680.23(A)(l), (A)(3), (A)(7) and (A)(8)]
  5. It has no exposed metal parts. [680.33(B)]

E4202.6 Receptacle Locations

AMENDMENT
This section has been amended at the state or city level.
Receptacles shall be located not less than 6 feet (1829 mm) from the inside walls of a, storable spa or storable hot tub. In determining these dimensions, the distance to be measured shall be the shortest path that the supply cord of an appliance connected to the receptacle would follow without passing through a floor, wall, ceiling, and doorway with hinged or sliding door, window opening, or other effective permanent barrier. (680.34)

E4202.7 Disconnecting Means

AMENDMENT
This section has been amended at the state or city level.
Disconnecting means for storable pools and storable/portable spas and hot tubs shall comply with Section E4202.3.

E4202.8 Ground-Fault Circuit-Interrupters

AMENDMENT
This section has been amended at the state or city level.
The outlet(s) that supplies a self-contained spa or hot tub, or a packaged spa or hot tub equipment assembly, or a field-assembled spa or hot tub with a heater load of 50 amperes or less, shall be protected by a ground-fault circuit-interrupter. (680.44) A listed self-contained unit or listed packaged equipment assembly marked to indicate that integral ground-fault circuit-interrupter protection is provided for all electrical parts within the unit or assembly, including pumps, air blowers, heaters, lights, controls, sanitizer generators and wiring, shall not require that the outlet supply be protected by a ground-fault circuit-interrupter. [680.44(A)]

E4202.9 Electric Water Heaters

AMENDMENT
This section has been amended at the state or city level.
Electric spa and hot tub water heaters shall be listed and shall have the heating elements subdivided into loads not exceeding 48 amperes and protected at not more than 60 amperes. The ampacity of the branch-circuit conductors, and the rating or setting of over-current protective devices, shall be not less than 125 percent of the total nameplate load rating. (680.9)

E4202.10 Underwater Audio Equipment

AMENDMENT
This section has been amended at the state or city level.
Underwater audio equipment shall be identified for the purpose. [(680.27(A)]

E4202.10.1 Speakers

AMENDMENT
This section has been amended at the state or city level.
Each speaker shall be mounted in an approved metal forming shell, the front of which is enclosed by a captive metal screen, or equivalent, that is bonded to and secured to the forming shell by a positive locking device that ensures a low-resistance contact and requires a tool to open for installation or servicing of the speaker. The forming shell shall be installed in a recess in the wall or floor of the pool. [680.27(A)(1)]

E4202.10.2 Wiring Methods

AMENDMENT
This section has been amended at the state or city level.
Rigid metal conduit of brass or other identified corrosion-resistant metal, rigid polyvinyl chloride conduit, rigid thermosetting resin conduit or liquid-tight flexible nonmetallic conduit (LFNCB) shall extend from the forming shell to a suitable junction box or other enclosure. Where rigid nonmetallic conduit or liquid-tight flexible nonmetallic conduit is used, an 8 AWG solid or stranded insulated copper bonding jumper shall be installed in this conduit with provisions for terminating in the forming shell and the junction box. The termination of the 8 AWG bonding jumper in the forming shell shall be covered with, or encapsulated in, a suitable potting compound to protect such connection from the possible deteriorating effect of pool water. [680.27(A)(2)]

E4202.10.3 Forming Shell and Metal Screen

AMENDMENT
This section has been amended at the state or city level.
The forming shell and metal screen shall be of brass or other approved corrosion-resistant metal. Forming shells shall include provisions for terminating an 8 AWG copper conductor. [(680.27(A)(3)]

E4202.11 Emergency Switch for Spas and Hot Tubs

AMENDMENT
This section has been amended at the state or city level.
A clearly labeled emergency shutoff or control switch for the purpose of stopping the motor(s) that provides power to the recirculation system and jet system shall be installed at a point that is readily accessible to the users. This emergency shutoff or control switch shall be adjacent to, and within sight, of the spa or hot tub and not less than 5 feet (1524 mm) away from the spa or hot tub. This requirement shall not apply to one-family dwellings. (680.41)

Section E4203 Hydromassage Bathtubs

AMENDMENT
This section has been amended at the state or city level.

E4203.1 General

AMENDMENT
This section has been amended at the state or city level.
Installations of hydromassage bathtubs shall be required to comply only with Section E4209. The branch circuit wiring method(s) supplying a hydromassage bathtub shall comply with Chapter 38.

E4203.2 Ground-Fault Circuit-Interrupters

AMENDMENT
This section has been amended at the state or city level.
Hydromassage bathtubs and their associated electrical components shall be supplied by an individual branch circuit(s) and protected by a readily accessible ground-fault circuit-interrupter. All 125-volt, single-phase receptacles not exceeding 30 amperes and located within 6 feet (1829 mm) measured horizontally of the inside walls of a hydromassage tub shall be protected by a ground-fault circuit-interrupter(s). (680.71)

E4203.3 Other Electric Equipment

AMENDMENT
This section has been amended at the state or city level.
Luminaires, switches, receptacles, and other electrical equipment located in the same room, and not directly associated with a hydromassage bathtub, shall be installed in accordance with the requirements of this code relative to the installation of electrical equipment in bathrooms. (680.72)

E4203.4 Accessibility

AMENDMENT
This section has been amended at the state or city level.
Hydromassage bathtub electrical equipment shall be accessible without damaging the building structure or building finish. Where the hydromassage bathtub is cord- and plug-connected with the supply receptacle accessible only through a service access opening, the receptacle shall be installed so that its face is within direct view and not more than 12 inches (305 mm) from the plane of the opening. (680.73)

E4203.5 Bonded Parts

AMENDMENT
This section has been amended at the state or city level.
The following parts shall be bonded together:
  1. Metal fittings within or attached to the tub structure that are in contact with the circulating water.
  2. Metal parts of electrical equipment associated with the tub water circulating system, including the pump and blower motors.
  3. Metal-sheathed cables and raceways and metal piping that are within 5 feet (1524 mm) of the inside walls of the tub and that are not separated from the tub area by a permanent barrier.
  4. Exposed metal surfaces that are within 5 feet (1524 mm) 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 hydromassage tubs and that are located within 5 feet (1524 mm) from such units.
    Exceptions:
    1. Double-insulated motors and blowers shall not be bonded.
    2. Small conductive surfaces not likely to become energized, such as air and water jets, supply valve assemblies and drain fittings not connected to metal piping, and towel bars, mirror frames and similar nonelectric equipment not connected to metal framing shall not be required to be bonded.

E4203.6 Method of Bonding

AMENDMENT
This section has been amended at the state or city level.
Metal parts required to be bonded by this section shall be bonded together using a solid copper bonding jumper, insulated, covered or bare, not smaller than 8 AWG. The bonding jumper(s) shall be required for equipotential bonding in the area of the hydromassage bathtub and shall not be required to be extended or attached to any remote panelboard, service equipment, or electrode. In all installations, a bonding jumper long enough to terminate on a replacement nondouble-insulated pump or blower motor shall be provided and shall be terminated to the equipment grounding conductor of the branch circuit of the motor where a double-insulated circulating pump or blower motor is used. (680.74)
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