I'm thinking of installing a spa at my house but the additional wiring for 220v is going to cost around $1k and I was wondering whether it's something I could attempt to do myself?
Electrical – DIY Installation of 220v for spa
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Best Answer
A 220/240 GFCI supply for a spa is not difficult. There are several ways to accomplish this. One of the more common is to get a "spa panel" that can be located close to the spa and serve as the disconnect and GFCI. These usually cost under $120, plus the feeder wiring. Many home DIY books cover the requirements, but it is a good idea to read up and ask questions first. Many states allow a homeowner to pull permits and do the work themselves. A few states require licensed electricians. So it is best to read up and find out what your local rules are. Call your local permitting office and ask what they require. Asking additional questions here can also help you out.
Yes this is something that is good to know, and it can save you hundreds in most cases and over a lifetime possibly many thousands.