![This wiring diagram came with my hot tub (Marquis Epic). I don't understand why its saying the neutral is not required between house breaker box and GFCI box. Everything I've seen online This wiring diagram came with my hot tub (Marquis Epic). I don't understand why its saying the neutral is not required between house breaker box and GFCI box. Everything I've seen online](https://preview.redd.it/5gejp9pynew21.jpg?auto=webp&s=dcba2b2fb5d7aa980b3b680129294bff7ea1a48a)
This wiring diagram came with my hot tub (Marquis Epic). I don't understand why its saying the neutral is not required between house breaker box and GFCI box. Everything I've seen online
![4 wire usa gfci spa box possible to convert to 3 wire? | Homebrew Talk - Beer, Wine, Mead, & Cider Brewing Discussion Forum 4 wire usa gfci spa box possible to convert to 3 wire? | Homebrew Talk - Beer, Wine, Mead, & Cider Brewing Discussion Forum](https://proxy.imagearchive.com/354/3543cd5b9ace4ea20c20a38a99f73bd8.jpg)
4 wire usa gfci spa box possible to convert to 3 wire? | Homebrew Talk - Beer, Wine, Mead, & Cider Brewing Discussion Forum
![Easy..3 Wire NOT 4 Wire Hot Tub Wiring Jacuzzi Sundance Vita(DIY Spa Repair)Arizona Hot Tub Factory - YouTube Easy..3 Wire NOT 4 Wire Hot Tub Wiring Jacuzzi Sundance Vita(DIY Spa Repair)Arizona Hot Tub Factory - YouTube](https://i.ytimg.com/vi/zGUvcXKWwS4/hqdefault.jpg)
Easy..3 Wire NOT 4 Wire Hot Tub Wiring Jacuzzi Sundance Vita(DIY Spa Repair)Arizona Hot Tub Factory - YouTube
![I have a 220 v hot tub. The electrician ran a 4 wire disconnect. Do I connect all 4 wires to the hot tub? The spa I have a 220 v hot tub. The electrician ran a 4 wire disconnect. Do I connect all 4 wires to the hot tub? The spa](https://ww2.justanswer.com/uploads/AS/AssuredElectrical/2015-03-20_232742_240voltgfci_with_no_neutral.gif)
I have a 220 v hot tub. The electrician ran a 4 wire disconnect. Do I connect all 4 wires to the hot tub? The spa
![Easy..3 Wire NOT 4 Wire Hot Tub Wiring Jacuzzi Sundance Vita(DIY Spa Repair)Arizona Hot Tub Factory - YouTube Easy..3 Wire NOT 4 Wire Hot Tub Wiring Jacuzzi Sundance Vita(DIY Spa Repair)Arizona Hot Tub Factory - YouTube](https://i.ytimg.com/vi/P69Ucz5zvvg/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAWWUAdvNi8z293vwa1vJUtI8jt4w)