Hot Tub Power Cable Size

Don t use aluminum wire.

Hot tub power cable size.

Electrical codes and details for spa and hot tub wiring. That the concrete base is at least the same size of the ordered hot tub or bigger plus the base must be 10 to 15cm deep to give a strong foundation for the hot tub. Beginning at the lb fitting use fish tape to pull the wires from the fitting to the spa panel. Wiring a hot tub 50 amp gfci circuit.

A 240v or a 120v hot tub will require different sizes of wires for optimum performance. 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. The 13amp hot tubs simply plug into a standard domestic power supply so all you need for the 13amp hot tubs is an outdoor waterproof plug socket with rcd protection. To ensure the power the power cable is ready for the engineer to connect to the hot tub.

The electrical connection to the hot tub must be single phase 220 240 volt 4 wire. Hot tub voltage the gauge of the wire will also depend on the voltage of the hot tub. Don t connect a 4 wire hot tub to a 3 wire circuit it would be unsafe illegal. Route the 4 wires into the equipment area for final hook up to terminals inside the control panel hard wired.

The recommended wire size is 6 awg copper. Many hot tubs required a 4 wire circuit which has a separate neutral and separate ground along with the 2 conductors which provide the 240 volt circuit. During hot tub wiring copper wire is recommended with thhn thermoplastic nylon insulation. Power hook up to the hot tub must be single phase 240 volt 4 wire two hot one neutral one ground.

Don t install a hot tub under overhead power lines. Don t use undersized wire. Wires are electrical conductors that transfer electricity from a power source to an electrical device. We will provide up to 5 metres of cable and a plug to plug into the socket you have provided.

On 32 amp installations the cable running from the main power supply to the. Don t install outdoor lighting within 10 feet of hot tubs. Don t run buried wiring under the spa. How to wire a hot tub circuit.

Choosing the correct wire for a hot tub ensure a safe energy efficient usage and increase the. Leave at least 6 inches of extra wire hanging from the spa panel. These are the cables generally used for running power from the power source to the hot tub however internally in the hot tub you may also have a selection of single wires and pvc multicore cable cables which we can also supply if required. A 240v or a 120v hot tub will require different sizes of wires for optimum performance.