How Many Amps Does a Hot Tub Use?

A majority of hot tubs need a 50 to 60-amp circuit, which requires a voltage of 220 to 240-V. However, the specific requirements will vary depending on your hot tub’s make, model and manufacturer. This recommendation is based on the knowledge that you will be able to have multiple things running at once. From your swim spas heater and pumps to any additional piece that will be running on electricity, a 240-V, 60-amp circuit will allow for the functioning of them all.

When having your hot tub initially wired, it is imperative that you have a licensed electrician provide this service for you. Particularly when you are dealing with water and electricity, it is important to have someone with the experience and know-how to make sure no mistakes are made.

What Size Breaker Is Needed To Run A Hot Tub?

For a hot tub, a 50 to 60-amp breaker is ideal. The National Electrical Code (NEC) requires that you have an electrician hard-wire the spa into a Ground Fault Circuit Interrupter. Also known as a GFCI, this helps prevent electrocution by cutting off the power source before anyone can be injured. These circuit interrupters are almost always installed where an electrical circuit may come in contact with water.

Also known as a manual disconnect device, it is also important to have the spa panel or hot tub electrical panel installed between your home’s breaker panel and your hot tub. These two things ultimately provide the power your spa needs to function properly while ensuring no accidents occur.

What Do You Need To Wire In A Hot Tub?

 To wire in a hot tub, your electrician will need a variety of things. This list includes, but is not limited to; electrical pliers, a tape measure, wire stripper, electrical tape, conduit, electrical grease, and so on.

Although you might not be doing these things yourself, it’s important to still know how it’s done. Your electrician will start by turning all the power off at your home’s main breaker box before mounting the spa panel. It’s important to ensure your spa panel is no closer than five feet from your spa. The next step will be to dig a conduit trench; however, the specifics of this will vary depending on your building code or other aspects of your location. During this step, it is important to avoid running the wire or conduit directly under your hot tub, as this could cause safety issues.

Does A Hot Tub Need Its Own Circuit?

The simple answer is yes. It is very important that a hot tub has its own circuit. Most standard-sized hot tubs will need to have a 220 to 240-V, 50 to 60-amp breaker as well as a Ground-Fault Circuit Interrupter (GFCI) as was mentioned above. Essentially, the circuit that the hot tub is plugged into should not be used for any other devices. It should be a unit entirely dedicated to the hot tub itself, as this will prevent the breaker from being overloaded. This is also the safest course of action.

How Deep Should You Bury Wires To A Hot Tub?

The average depth that a hot tub’s wires should be buried is approximately 18 inches. However, it’s a good idea to familiarize yourself with bylaws before this process even begins to make sure everything is not only up to code, but that what you’re doing is safe.

A very important part of this process also includes contacting a professional so that they can check for any pipes or cables. This will ensure that nothing is destroyed in the process of getting your hot tub set up!

When it comes to the electrical work needed to properly install a hot tub both in terms of safety and protocol, there are important steps to follow. By contacting a local, reputable electrician to provide these services, you can rest assured that your family, your home and even your neighbours will be safe once everything has been installed.

Staying informed is key! If you would like to learn more, please download our free hot tub buyer’s guide to learn how to select the right hot tub for you.


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