There's an electrician from Cornwall on here quite regularly, I can't find him now but I think he name is Henderson.
No doubt if he see this thread he will spot your postcode.
 
That's a filthy habit:tongue:
it's not a habit.more a way of life. but we got a jacuzzi bath now, so the farting is only recreational these days.
 
We're not going to be wiring it up ourselves, we'll be getting an electrician to do it, but I thought if I work it out first buy all the bits, then the electrician won't have to charge as much! We already have an outbuilding with power on a 32a, I'm just trying to copy that but uping the capacity to 63a is it possible? We'll be wanting to use it for guests as well so two showers could be used at once plus whatever else is on.
Chances are you’ll shoot yourself in the foot by doing that as there’s no way your chosen sparky will cover the materials you buy with any warranty or guarantee.....
 
At that distance and with that load, a rough calculation shows that you're definitely into 25mm2 SWA territory, not 16mm2.
At the house end this should be unbroken all the way to a 60A switch fuse mounted close to the electricity supplier's meter. Some makes of switch fuse allow you to loop tails out of it and on to the existing consumer unit, eliminating the need for service connector blocks.
Surely, in a building that's prone to flooding, you'll want to be able to switch off the existing consumer unit when the outbuilding's facilities are required?
 
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To the OP - If you want this looked at and quoted to do properly just post on this thread or send me a message, I'm in Cornwall but it depends how far you are from me. :)
 
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Electric shower in outbuilding 55m from consumer unit
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Tom Wallington,
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Dave OCD,
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