Bathroom Cabinet Wiring - Electrician Question

Bathroom Cabinet Wiring - Electrician Question

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Pickled Piper

Original Poster:

6,341 posts

235 months

Saturday 25th March 2017
quotequote all
I am hoping any Electricians on line can help. My Sparky kindly left me the necessary mains wiring protruding though a stud wall ready for a cabinet to be fitted. I now have the cabinet in place and this has a flex coming out from it. How do I join the flex and mains wiring? Is there a specific type of connectorl I need given that it's in a bathroom? or can I use a strip connector and push the joint back into the stud wall?

Many thanks in advance.

finlo

3,761 posts

203 months

Saturday 25th March 2017
quotequote all
You'd be better using an inline flex connector or a small jb rather than bodgers choc blocks.

Jambo85

3,319 posts

88 months

Saturday 25th March 2017
quotequote all
I'm not a sparky but in the absence of the other replies I'll chip in - by my understanding you need a connector with strain relief (assuming the flex and T&E are not clipped), so a strip connector isn't acceptable. Choc box or something along those lines, should be branded 'maintenance free'.

megaphone

10,724 posts

251 months

Sunday 26th March 2017
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Yes I'd use a Choc Box, assuming you can cut a big enough hole behind the cabinet. I hope the cable the spark has left is off the lighting circuit? If not you need to check how it is fused.

http://www.screwfix.com/p/chocbox/54936

Cerbhd

338 posts

91 months

Sunday 26th March 2017
quotequote all
megaphone said:
Yes I'd use a Choc Box, assuming you can cut a big enough hole behind the cabinet. I hope the cable the spark has left is off the lighting circuit? If not you need to check how it is fused.

http://www.screwfix.com/p/chocbox/54936
The one in the link is no good if you are pushing it in the wall behind the cabinet as it is not maintenance free

Alucidnation

16,810 posts

170 months

Sunday 26th March 2017
quotequote all
Why does it need to be maintenance free?



OP, one of these, cut a slot in the wall and poke it behind plasterboard.


http://www.screwfix.com/p/5a-4-terminal-standard-j...

Squishey

568 posts

128 months

Sunday 26th March 2017
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You could use something like this so long as it is wired in to the lighting circuit.

www.tlc-direct.co.uk/Products/TLCT101C.html

megaphone

10,724 posts

251 months

Sunday 26th March 2017
quotequote all
Cerbhd said:
megaphone said:
Yes I'd use a Choc Box, assuming you can cut a big enough hole behind the cabinet. I hope the cable the spark has left is off the lighting circuit? If not you need to check how it is fused.

http://www.screwfix.com/p/chocbox/54936
The one in the link is no good if you are pushing it in the wall behind the cabinet as it is not maintenance free
As long as it's done properly it will be fine.

Pickled Piper

Original Poster:

6,341 posts

235 months

Sunday 26th March 2017
quotequote all
Cheers, I got a chocbox thing. Actually debox from screwfix.

Wiring provided by the Sparky is all good. It's in the lighting circuit and rcd protected.

megaphone

10,724 posts

251 months

Sunday 26th March 2017
quotequote all
Alucidnation said:
Why does it need to be maintenance free?



OP, one of these, cut a slot in the wall and poke it behind plasterboard.


http://www.screwfix.com/p/5a-4-terminal-standard-j...
Modern regs say if a junction is no easily accessible then it should be 'maintenance free'. i.e. no screws. It's bks. The JB you've linked to is ok, but does not really have any cable restraint. The Chok Box is a better option. If the OP wants to make it 'maintenance free' then he can use some Wago connectors instead of the terminal block.

Cerbhd

338 posts

91 months

Sunday 26th March 2017
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You may not agree with the regs but they are there to be followed, but hey ho pick and choose which ones you like to save £1

Alucidnation

16,810 posts

170 months

Sunday 26th March 2017
quotequote all
There is no requirement for the connections to be MF with regards to the OP.

Edited by Alucidnation on Sunday 26th March 13:18

Cerbhd

338 posts

91 months

Sunday 26th March 2017
quotequote all
I assume that the join is to be inaccessible therefore regulation 526.3(vi) applies, if the join is to be left on top of the cabinet then it wouldn't need to be.
That's my interpretation of it however as you know the regs can be interpreted differently

speedyman

1,525 posts

234 months

Sunday 26th March 2017
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Use a flex outlet plate, the terminals are built into the plate. Fit a flush backbox in the wall to attach it to. https://www.google.co.uk/search?q=flex+outlet+plat...