60 Amp Hot Tub Wire Size

In this case though a 60 amp circuit meets this 125 percent requirement.
60 amp hot tub wire size. This is something that should never be done by someone without training. The recommended wire size is 6 awg copper although depending on distance and length of run could be larger. While a hot tub or backyard spa is a great way to relax and have fun the installation involves conforming to specific electrical requirements. For most full sized spas or hot tubs the national electrical code nec requires.
Wiring for a full featured portable hot tub has to be done correctly as we all know that water and electricity don t mix. The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 volts 60 c through 90 c 140 f through 194 f not more than three current carrying conductors in raceway cable or earth directly buried based on ambient air temperature of 30 c 86 f. In general hot tubs are designed to operate on a hard wired gfci protected 220 240v 50 60 amp circuit. For a 50 amp breaker an 8 gauge wire setup would be recommended.
The electrical connection to the hot tub must be single phase 220 240 volt 4 wire. There is a lot more than the wire size. For a 240 volt hot tub a 10 gauge wire with a 30 amp breaker setup is ideal. Like in the case of a dual temperature swim spa hyperlink however it is not common.
Spa and hot tub electrical requirements 220 240v hot tubs. The four wires consist of two hots one ground and one neutral and must be hard wired to the terminals inside the hot tub control box. There are ex ceptions that require as much as 80 90 or 100 amp circuits if the hot tub has multiple heaters pumps controls etc. In most cases a 50 or 60 amp breaker provides power to a secondary gfci box which powers the spa pack controller.
For quantum hot tubs are subject by code to a 125 percent rule. Wire size for a 60 amp circuit. How to choose the right wire gauge for your hot tub. Hard wiring the spa into a ground fault circuit interrupter gfci protected 220 to 240v 50 or 60 amp dedicated circuit.
This transcript has been lightly edited. Installing a new hot tub.