Hot Tub Rules
- 2011 National Electrical Code Article 680 (NEC)
- 2012 International Plumbing Code (IPC)
Indoor or Outdoor Installations
- Any glazing in doors and enclosures, or building walls within 5 feet of waters edge and less than 60 inches above walking surface must be tempered glass. (LTBC 2406-4)
- The electrical disconnect must be readily accessible and within sight of and not less than 5 feet horizontally from the inside wall of the hot tub. (NEC 680.12)
- If permanently installed and connected to the building drainage system, it must discharge through an indirect waste pipe by means of an air gap of more than 2 times the diameter of the drain pipe. (IPC 802.1.4)
- If permanently installed and provided with a connection to water supply, the water supply must be protected from contamination and backflow by means of an air gap. (IPC 608.13.1 and 608.15.1)
- If permanently installed and provided with gas, water heating supply piping must be sized and installed in accordance with appendix E 2012 IPC, and per manufactures installation instructions.
- Units with electric water heaters over 48 amps need to be subdivided and protected at not more than 60 amperes. (NEC 680.9)
- All electrical equipment associated with or within 5 feet horizontally of the inside wall of the hot tub must be grounded per NEC 680.43 (F).
- All metal parts and fittings associated with the hot tub as well as all metal surfaces within 5 foot of the inside wall of the hot tub that are not separated by a permanent barrier must be bonded with Number 8 or larger copper wire per NEC 680.43 (D) and (E).
- At least one ground-fault circuit interrupter (GFCI) receptacle is required not less than 6 feet or more than 10 feet horizontally from the inside wall of the hot tub. NEC 680.43 (A).
- Lighting fixtures, lighting outlets and ceiling fans located over, or within 5 feet horizontally of the inside walls of the unit must be located at least 7 feet 6 inches above the maximum water level and be GFCI protected. NEC 680.43 (B) (I)
- Listed packaged units rated 20 amperes or less may be cord and plug connected. 680.43 (Exception)
- Outlets supplying power to the hot tub must be GFCI protected unless the hot tub is a listed packaged unit with integral GFCI protection. (NEC 680.44 (A)
- Wall switches must be at least 5 feet horizontally from the inside wall of the Hot tub. (NEC 680.43 (C)
- A fence or wall at least 72 inches high with a self-closing, self-latching gate that swings away from tub unless sides are at least 72 inches high. The stairs or ladder must be secured, locked, or protected by a fence the same as above, or a self-contained unit may be protected with a listed safety cover designed for the unit. Per WVC municipal code 7-2-125.
- No underground wiring is allowed under or within 5 feet horizontally of the hot tub or pool other than wiring necessary to supply unit. (NEC 680.10).
- The hot tub or pool is not allowed under or within 10 feet horizontally of overhead conductors which are less than 22 1/2 feet above the highest water level. (NEC 680.8). 0 to 750 volts, 0 to 15 kilovolts 25 feet, over 50 kilovolts 27 feet.
- If permanently installed at least one 125 volts GFCI receptacle is required between 10 feet and 20 feet from and not over 6 feet 6 inches above grade. (680.22 (A) (3)). No receptacles are allowed within 10 feet of inside wall except 1 GFCI single locking receptacle for the pump motor is allowed at not less than 6 feet from the inside wall or hot tub.
- All switching devices must be located at least 5 feet from inside walls of the hot tub or separated by a solid fence or wall. (NEC 680.22 (C)).
- Lighting fixtures, lighting outlets and ceiling fans are not allowed over or within 5 feet horizontally of inside walls unless 12 feet above maximum water level. (NEC 680.22 (B) (1)) see existing 680.22 (B) (3).
- Fixed or Stationary equipment other than underwater lighting fixtures may be cord and plug connected if the cord is not over 3 feet long and contains a Number 12 or larger copper equipment grounding conductor. (NEC 680.7).
- If permanently installed; all bonding must comply with requirements. (NEC 680.43 (D))
- If permanently installed; all grounding must comply with requirements. (NEC 680.43 (F))