Wiring for a Hot Tub and GFI

By - Summary:

Installing GFI Hot Tub Electrical Wiring and the GFI Circuit

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Hot Tub GFI Wiring

Electrical Question: I have a Hot Tub requiring a 220 hook up.

  • Should the wiring be copper and the GFI copper?
  • An electrician says the GFI doesn’t matter as far as aluminum vs. copper.

This electrical question came from: Vale, a Homeowner from Cobb, California.
See more about Home Wiring for California

Dave’s Reply:
Thanks for your Home Electrical question Vale.

GFI Hot Tub Electrical Wiring and GFI Circuit

  • Most hot tubs clearly specify that copper wiring must be used for the installation.
  • The GFCI circuit breaker must be compatible with the copper wire as well, as they typically are.
  • A dedicated 4-wire circuit is typically required containing:
    • a separate neutral wire
    • and a separate ground wire.

The Following  will assist you with your electrical question:

Hot Tub Wiring

  • Hot Tub Wiring Diagram Information
    • Electrical Codes and Details for Spa and Hot Tub Wiring.
    • Essentials for your installation
    • Required GFCI Ground Fault protection and circuit wire size.

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