Costs may vary depending on how much prep work is needed and whether your hot tub is located indoors or outdoors. to this site, and use it for non-commercial use subject to our terms of use. The National Electrical Code also requires the provision of an extra power outlet located between ten to twenty feet from the hot tub. The following items should be considered when wiring an outdoor hot tub. Get the Outdoor Hot Tub of Your Dreams. You also need to install a manual power shut-off as a fail-safe measure when the GFCI malfunctions. You may need to consult the local building code to know the right conduit depth and be careful not to hit the underneath utility cable while digging. An outdoor hot tub is an excellent choice to have to relax all year around. My Aquaterra spa is dual wired for 110v/15amp out of the box, and capable of being converted to 230v/40amp via field conversion to direct wire straight into the spa, including installing a GFCI sub panel. Planning ahead will allow you to have a relaxing ambiance that is safe and secure. Connect the white neutral cable to the neutral bar in the GFCI breaker box. Hot tub electrical installation is easy with the proper preparation. With this guide, you will be well-equipped to wire a hot tub without professional knowledge of electrical works. problems contact webmaster@doityourself.com. Install the appropriate size of a circuit breaker to the service panel solely for this purpose. In this case, you should call a qualified electrician to install the outlet. We understand your curiosity or frustration as the case may be. Place the hot tub on a cement slab in the desired location. Supplies Needed to Wire a Hot Tub. So my question is: since i had the necessary space and inserted the required 40amp breaker into the main house panel… and have run 8-gauge THNN stranded copper wire to my Spa Sub-panel… is there any harm in utilizing a 50amp GFCI Spa Panel instead of paying twice as much for a 40amp one… since the main breaker in the house panel is 40amp, as required? It’s best to run the electrical wiring for hot tub through a conduit. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Deck: This can be a good spot to place your hot tub, since a deck is typically already level. The recommended hot tub wire size is 6 AWG copper. I am in the process of adding a 50A sub-panel (GFCI) for hot tub to my main... Good day everyone. Before you proceed into this step, you need to check if your home electrical set up has room for extra load. Patience is a virtue, but it is not meant to be used waiting for hot tubs. Spa pad: Prefabricated spa pads are one of the simplest solutions around, and they look great. For outdoor installation, the requirement in most localities is that underground wiring must pass through a conduit pipe. If the hot tub runs off of 240V power, it is unlikely that your home already has this type of electrical outlet outside. What is a Hot Tub, Spa and Jacuzzi? Transformers for low-voltage lighting must be in accessible locations. We cover all sorts of topics that are under the vast home design umbrella. It helps you save a lot of time consumed by the plug-and-play to warm up the water, especially if you just drained the hot tub. Type THWN wire is a good choice because it is rated for buried conduit applications. You need to know the voltage potential that enters your home. After that, pull the wire using copper wire with thermoplastic nylon. I own a 110 volt 20 amp Hot Tub it has a 15 amp GFCI plug I also have dedic... My Hot Spring Hot tub display panel shows the temp for a few seconds and th... Running Electrical Under Patio for Hot Tub. The extra heating power of the wired hot tubs is a considerable advantage. Doing it yourself will void your homeowner's insurance coverage. This exact amount of current is a little bit higher or lower than the potential voltage supply to your home. Variety of 220v hot tub wiring diagram. Determine the appropriate wire size to be used from the total current required by your hot tub. The advantage of this direct connection to the circuit breaker box is that the heat output of the wired hot tub is always higher than that of the plug and play model. Use this time to familiarize yourself with the features and operation of your hot tub. View our Privacy Policy here. You may freely link There can be no obstructions, such as fences or walls, preventing access to the spa pack. It can be a great investment for a homeowner. 1995-2018 MH Sub I, LLC dba Internet Brands. Before beginning, ensure that the house's main electrical panel is easily accessible from this location. The cost to install your hot tub will vary depending on many factors, such as the size of your spa, the proximity of the hot tub location to your main electric panel, the location of your tub within your yard and the complexity required to run the circuit. Hot tubs can also be used to entertain guests or relax in the oasis of your own home. Please, excite us with your thoughts and questions on this article. The size of the wire to be used is determined by the maximum current draw of the hot tub, the length of the wire run and the NEC or local codes. Hot Tubs and Spas - NEC Electrical Codes: 680.12 and 680.42 A disconnect must be installed within sight of Hot Tub. The plug-and-play hot tubs have the advantage of locational preference. Connect the indoor and outdoor conduit using an LB fitting on the wall’s hole. Hot Tub Wiring. All information is provided "AS IS." Hot tubs have filtration systems and the water should be treated with special sanitising chemicals. Along with your hot tub, you may want to include a gazebo, fire pit, patio table, outdoor furniture, and even an outdoor sound system for added ambiance. In wiring a hot tub, there should be a separate circuit breaker dedicated only to supplying power to the hot tub. However, we also stated that the wiring of a hot tub is a highly professional process requiring a licensed electrician. Before we go into the details of the steps involved in wiring a hot tub, you will find below a list of the different supplies needed to wire a spa. Basically, you need to make sure that you have access to the backyard; a solid, level place to set the spa; and electricity, and a garden hose in close proximity. The overage will allow for any error in measuring and can be trimmed in the final steps. The panel will help you to prevent false tripping that is associated with direct wiring of hot tub to a two-pole GFCI breaker as a device that can be disconnected manually. These two wiring methods, consequently, defines two types of hot tubs. In situations where the current supplied is not enough to support the hot tub, consult a licensed electrician to handle the installation of your hot tub. A wiring diagram is a streamlined traditional photographic depiction of an electrical circuit. There are no specific requirements for electrical installations associated with hot tubs in BS 7671. It’s best to run the electrical wiring for hot tub through a conduit. Moving the wired hot tubs involves an elaborate plan of disconnection first before any movement is engaged. There are two types of hot tubs based on voltage requirements. 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. Waterproof gland packs should be used to prevent ingress of water on all electrical connections (2 at the isolation switch). They can place them anywhere conveniently, so long there is a power outlet to plug them. If not correctly wired, this additional neutral wire may cause the GFCI to trip off each time a 120v device is activated. Beginning at the LB fitting, use fish tape to pull the wires from the fitting to the spa panel. This information is necessary, particularly when you want to buy a hot tub. You should pass this extra neutral wire along with the red and black loadout wires to the control system. Fit the necessary conduit covering different areas such as breaker panel, spa panel, and the trench. suggestions. Install a circuit breaker in the service panel. Your hot tub may run off of either 120V power or 240V power. The installation of smaller wire sizes not only increases the likelihood of an electrical fire outbreak, but it also puts the heater elements and the pump of your hot tub at high risk of damage. Save my name, email, and website in this browser for the next time I comment. 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. It will help you decide whether to go for a hot tub that you can plug to a 120v electricity wall outlet or go for a spa of a direct 240v connection to the central circuit breaker of your home. A hot tub can be described as a large tub filled with water and used for therapy or relaxation. Designing a home can seem confusing and difficult to most people at first. A 12-gauge cable is thicker and useful whenyou have a 20-amp breaker. DoItYourself.com®, founded in 1995, is the leading independent We have also gone through the two types of hot tubs based on the wiring methods that each use to function. We welcome your comments and The specific condition regarding the use of conduit varies from one local code enforcement agency to the other. Use thermoplastic nylon … For run below 6ft, you can use non-metallic conduit or liquid-tight flexible metal. Thicker wire will be able to handle lightercurrent volumes, but a thin wire will short circuit and damage the equipment ifhigh volume current is passed through it. Smaller 120-volt units can simply be plugged into a receptacle, where larger units will require full electrical installation. However, where a hot tub is located outdoors in the open air, for example, a garden, IET Guidance Note 7 Special Locations recommends that the requirements of Section 702 (swimming pools and other basins) should be applied. If it is 120V power, you may be able to plug the hot tub directly into an existing outdoor GFCI outlet. Outdoor Hot Tubs / Spas with nonconductive shells must have a #8 (or larger) solid, bare copper wire 18”-24” from the inside hot tub wall under the perimeter surface 4”-6” below the final grade and connected to a … Some hot tubs allow the routing of the wires inside the spa cabinet as running underground wiring beneath the hot tub is not permitted. The two hot legs (black + red) provide 240 volts (120V +120V). And it all begins with the installation of an outdoor hot tub. [2] X Research source Make sure the spot you choose is large enough for the hot tub as well as some extra leeway for getting in and out and performing maintenance. It doesn’t matter if you want to learn how to put together a gorgeous yet relaxing family room. Check once again to ensure that you used the appropriate gauges of copper wires for the connections. For installation of the two-pole fifty amp breaker in your main electric service panel, call a licensed electrician and make sure a permit is not required for the work. Wiring a hot tub is not as easy as it looks. There are only two ways to connect a hot tub to power. Always confirm from the local enforcement agency the proper wire size to use. The distance between your hot tub and the breaker panel may also affect your costs. Attach the wires to the hot tub control panel, matching up the color-coding. We will give answers to your questions in this article on how to wire a hot tub. Based on the size of the tub, it may be a 120-volt or 240-volt unit. The requirements for swimming pools are given in Section 702 of BS 7671:2008+A3:2015. When you are done, you should have one of each color for the length between the main panel and the spa pack and also the length from the spa pack to the hot tub. 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