Hot Tub Cable and Electrical Wiring

By Dave Rongey - Summary:

How to Install Hot Tub Electrical Circuit Wiring: Can I run regular 6AWG 3 conductor plus ground through a one inch conduit or do I need to run outdoor 6AWG wire?

Hot Tub Circuit Wiring

Electrical Question: Can I run regular 6AWG 3 conductor plus ground through  a one inch conduit or do I need to run outdoor 6AWG wire?

Hot Tub Circuit Wiring –  Project #1

This electrical question came from: Mike, a Homeowner from San Diego, California.

Hot Tub Circuit Wiring – Project #2

This electrical wiring question came from Justin, in Edmonton, Alberta, Canada.

Dave’s Reply:
Thanks for your electrical question Mike.

Methods for Installing Hot Tub Circuit Wiring

Hot Tub GFCI Panel

Application: Wiring a Hot Tub GFCI Circuit.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools, Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and install the hot tub wiring.
IMPORTANT: Installing hot tub circuit wiring must be done according to applicable Local and National Electrical Codes, or Canadian Electrical Codes, with a permit, and the work must be inspected.

Examples of Hot Tub Circuit Wiring Methods

The questions asked about hot tub circuit wiring address methods which I will describe below:

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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all projects.


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FAQs Frequently Asked Questions and Comments

4 Responses to “Hot Tub Cable and Electrical Wiring”
  1. Dave Rongey says:

    Hi Gary,
    An estimate to extend the circuit wiring of a hot tub to a new location would require an on site evaluation where an electrician in your area could see the existing circuit wiring and then propose the best methods to would use to extend the circuit. The project may be estimated with the time and materials necessary, which may include an approved junction box, and supported electrical conduit to protect the circuit wiring. The actual cost for the project will depend on your location, the current rate charged by the approved electrician, and he cost of materials.
    Thanks for sharing your project with us Gary,

  2. Gary clark says:

    I’m inquiring as how much it would cost to rewire my hot tub as I’m moving it 6-7 feet from its current position and require a quote. Yours, Gary

  3. Dave Rongey says:

    Hi JB,
    Electrical wiring and components must be protected according to code, specific to the project location. Typically a GFCI protected circuit for an outdoor spa is installed with a permit and according to applicable codes, and the wiring is installed in an electrical conduit using water proof fittings and methods and the installation is inspected.
    Be Safe,

  4. j barbree says:

    Should I use conduit when wiring for an outdoor spa?


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