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Wiring Hot Tubs
Hot tubs are available in many different shapes and sizes. After a long, hard day, they are a great way to relax. Within the hot tub itself, jet pumps shoot the water through the jets and move the water around. There are also some larger hot tubs that have a blower motor and two water pumps so that they can deliver sufficient water pressure through the large number of jets that they have to supply.
Hot tubs should have a label from a testing lab that is recognized, such as the Underwriters Laboratories (UL). For the safe installation and operation of the hot tub, it should always be available with the instructions from the manufacturer. The power requirements will be different for different hot tubs. There are some larger hot tubs that require a 240 V, 50 amps to feed power to the heaters and the pump motor while some smaller hot tubs will simply plug into a 120 V, 15 amps ground fault interrupter (GFCI) circuit. Some larger hot tubs are hardwired to a junction box that is inside the access panel that is mounted under the hot tub. There are also some models of hot tubs that have an easily removable door or panel to give the homeowner easy access to the control assembly, wiring, and pump to facilitate maintenance.
The combination of water and electricity in hot tubs can be a dangerous one for homeowners. If that hot tub is wired improperly, it becomes possible for the homeowner to get electrocuted when that homeowner reaches for the timer to add some more time. The best solution for this problem is to place the timer out of reach for the homeowner when in the hot tub. This will eliminate the possibility of electrocution because the homeowner won't be in the water when touching the timer switch. Prior to installing a hot tub, homeowners should determine if any local permits are required. The local electrical inspector should know if a local permit is required or not.