Wiring hot tub

What kind of wire do I need to install a hot tub? How do you wire a hot tub? During hot tub wiring, copper wire is recommended with THHN (thermoplastic nylon) insulation. Avoid aluminum wire. The recommended hot tub wire size is AWG copper.

Beginning at the LB fitting, use fish tape to pull the wires from the fitting to the spa panel. Leave at least inches of extra wire hanging from the spa panel. If space constraints prevent wiring from being at least five feet away, underground wiring should be installed in rigid metal conduit, intermediate metal conduit or a nonmetallic raceway system that is listed for direct burial. This means they require an electrical circuit providing (2) hot wires, (1) neutral, and (1) ground wire.

Wiring a hot tub is best left to licensed electricians that have experience working with Article 680. All 125-volt receptacles not exceeding amperes installed within feet of the inside walls of a hydro-massage bathtub shall be GFCI protected. NOTE: This is a partial list of electrical codes.

Other codes may apply. The hot tub or spa may have built in safety features that will not allow functions to work unless a series of test have been performed by the internal control unit. Thicker wire will be able to handle lighter current volumes, but a thin wire will short circuit and damage the equipment if high volume current is passed through it. Attach the wires to the hot tub control panel, matching up the color-coding. Use electrical tape and wire caps to secure them.

Run the other end of this set of wires to the spa pack, attaching the wires in the same manner. Do the same for the second set of wires , attaching them to the other side of the spa pack. The voltage of a hot tub is higher (usually around 2volts) than regular home outlets, so you will need to install a breaker to your electrical control box.

If you are not familiar with electrical systems, it is best to hire an electrician to assist you in this aspect of installation. Free 2-day Shipping On Millions of Items. The wiring of the hot tub is a professional job requiring a licensed electrician to do. This requirement is in recognition of the danger associated with the combination of water and electricity.

Place the hot tub on a cement slab in the desired location. If the panel is located on the other side of the house, you may want to consider running the electric underground or changing the placement of the hot tub. Most electricians that attempt to wire a hot tub will get it wrong.

Make sure you hire a certified local hot tub electrician that is familiar with the building codes and experienced in wiring spa tubs to guarantee your safety. When wiring a hot tub , it is extremely important to correctly size the circuit breaker for the required amperage. The electrical wires should also be sized in accordance with the manufacturer’s recommendations and local electrical codes. All circuits (no matter what the size is) require wiring your hot tub to a GFCI circuit breaker.

Each tub may be slightly different, please consult a qualified electrician. However, this is pretty standard. The electrician will have to run a new circuit from your main electrical panel to the location of the hot tub. The furthest you place the hot tub from your panel, the more expensive it will be.

Before placing your hot tub , check the proximity of your desired location to any outlets. Per NEC code, hot tubs must be feet away from GFCI protected. It is likely that your electrician already knows what to do and has wired many hot tubs before.

The tricky part is wiring the 4- wire GFCI correctly used for most hot tubs. The confusion lies in the way the neutral wire is handled in addition to Line Line and ground wires. The white neutral wire from the back of the GFCI should be connected to the incoming.

Labor: $6- $760. PVC Conduit fittings $50. I'd estimate around. Hot tub panel: $60.