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Home > Home Wiring USA > Accessory Structures to Dwellings > Wiring a Hot Tub (NEC 2002)

Wiring an Outside Hot Tub (NEC 2002)

By Warren Goodrich
Wiring an Outside Hot Tub (NEC 2002)

Wiring a hot tub is not as easy as it looks. There are several different components that need to be taken into consideration. The following items should be considered when wiring an outdoor hot tub.

  • All non-current carrying metal parts within 5’ of the hot tub must be bonded by a #8 copper wire (680-41-D)
  • No receptacles are allowed within 10’ and no switches are allowed within 6’ of the hot tub.
  • Branch circuit conductors that serve motors must be in a conduit (680-25-C and 680-40)
  • If the outside hot tub is a self contained unit with built-in CFCI protection, no further CFCI protection is required (680-42)

  • Use a flexible conduit or cord no longer than 15’ if you are using CFCI protected conductors (680-40-A)
  • For more instructions, see the picture below

This document is based on the 2002 national electrical code and is designed to give you an option, as a self-help, that should pass minimum code requirements. While extreme care has been implemented in the preparation of this self-help document, the author and/or providers of this document assumes no responsibility for errors or omissions, nor is any liability assumed from the use of the information, contained in this document, by the author and / or provider.

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