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Electrical Wire and Cable

Hot Tub Grounding and Neutral Requirements

By Dave Rongey - Summary:

GFCI Wiring and Connections for Hot Tub Electrical Circuit Panel: Essentials for your installation, including the required GFCI ground fault protection and circuit wire size.

Hot Tub Electrical Circuit  Panel Wiring

Electrical Question: I have a hot tub sub panel that has the ground and neutrals on a shared bar. I’m selling the house and the home  inspector said to separate the ground and neutral but I only have one bar can I just simply add another? Is this common?

This electrical question came from: Shawn, a Homeowner from Anchorage , Alaska.

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

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FAQs Frequently Asked Questions and Comments

3 Responses to “Hot Tub Grounding and Neutral Requirements”
  1. Dave Rongey says:

    Hi Debbie,
    Typically a #8 solid copper wire is bonded to a terminal lug on the pump motor, or to a built in terminal of the casting of the motor. The motor should run even if it is not grounded, however by code, and for your protection, the ground wire must be attached as described.

  2. Debbie Manley says:

    I have a Softub brand hot tub and the power kept kicking off and on and when I took the cover off the pump/motor unit, I found the ground strap was not connected at one end. I have a photo but I guess I cannot send it here. I cannot see where it is supposed to connect and I am hoping that is the problem, not grounded, motor will not run, correct? Any idea where this end of ground strap gets attached? Thank you. Debbie

  3. John says:


    I have a pool that was installed 3 years ago. I am now having an above ground hot tub put in. My electrician says that he will use the same ground rod used by the pool equipment for my hot tub ground. Is this okay to do? Or should a separate ground rod be used for the hot tub?

    Also the manual says that the reinforcing rod or mesh in the concrete spa pad should be attached to a bond wire. My electrician says he knows what to do with this. Is this where you connect a #8 wire to the steel in the concrete to the hot tub?


    John (homeowner in California)