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Hot tub electrical installation guidelines

Updated: Dec 27, 2020

The Government introduced a law in January 2005 which demands that most electrical work in UK households is only carried out by a ‘competent person’. The law means that Electrical safety requirements have been included in a new Part P of the Building Regulations. Hot tub installations must also comply with section 702 in the 17th Edition IEE (Institute of Electrical Engineers) Regulations as they fall in the same category as swimming pools.

This guide sets out everything you need to know for setting up an electrical connection for a hot tub including details on Part P and how to find a qualified electrician.

  1. What is Part P?

  2. Who is responsible for ensuring electrical work meets Part P requirements?

  3. How do I ensure Part P requirements are met?

  4. How many amps do you need for a hot tub?

  5. What are the electrical requirements for a hot tub?


Electrical installation


How many amps do you need for a hot tub?

Most hot tubs require at least a 13AMP supply with larger hot tubs requiring a 32AMP supply. We can liaise with your electrical contractor regarding the exact specification for your Hot Tub, alternatively more details can be found within the technical specifications on our hot tubs pages.