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Electrics!

5 replies

Whateveryouwant1 · 14/02/2023 23:11

I have a redundant electric shower cable that I want to use for a couple of double sockets, is this possible? The cable is thicker than normal socket cable so wondered if it was ok...

OP posts:
Twonkytwoo · 14/02/2023 23:15

Yes as long as the circuit is protected by an RCD. You may have to use a 20amp breaker if you are wiring more than one socket and using 2.5 cable.

johnd2 · 15/02/2023 00:34

Yes but the cable won't fit directly in the socket so you would need a suitable adaptor box.
Also the usual rules about where sockets can be, it would have to be 3m from the bath and shower etc
Get an electrician in and they will advise.

Whateveryouwant1 · 15/02/2023 23:04

Oh great sounds like a possibility!

It's on its own separate rcd. If I put a 13amp fuse switch on the thick cable then had 2.5mm coming out that would mean I don't have to change the rcd rating?
It'll be two double sockets off the shower cable.
It's an old bathroom turned utility room and I'll be keeping the sockets away from the sink.

OP posts:
johnd2 · 18/02/2023 16:49

Unless it's a super weedy shower It's likely the cable will be too big for the switch fuse, the rcbo/MCB will need downgrading to 32A max as it is likely to be 40+. You could theoretically get a separate mini enclosure with a lower rating along the lines you suggest, but couldn't use a normal fused connection unit that you suggest. Discrimination might be an issue too. Far more economical and sensible to change the rcbo assuming still available.
The electrician should also insulation test and do all the other checks on the cable as it's pretty much a new circuit using an existing cable. And make sure you get a certificate.

Sparky2200 · 19/02/2023 19:12

Hi yes this is entirely possible....there is nothing wrong with using a 6 or 10mm cable.

It would need to be turned into a radial circuit, so a 20amp MCB or RCBO, best to join the shower cable to some 4 or 2.5mm cable in a maintenance free junction box, and also remove the isolator pull cord.

Then just extend the circuit to your new sockets.

This however is all notifiable work, so a registered spark needs to do this.

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