Junction Box Recommendation

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jameslaurieuk

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I need to break into a cooker supply to take power for the extractor hood and a disconnected double socket - what’s a decent junction box for 2 x 10mm t&e, 1 x 2.5mm t&e and a flexible extractor fan cable once I cut the plug off it?

Luckily the extractor has already been installed so I don’t even need to think about that minefield!
 

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Fleeting said:
So you are going to cut the plug off and joint it into the cooker circuit?
Will it have circuit protection?
Where is this joint box being located?
Click to expand...
More like insert a junction box into the cooker circuit and then connect in a switched spur outlet to hardwire the fan into and run a short spur off to a double socket. This will tidy up the householders current solution of using a 4 way trailing socket outlet to run the fan, the toaster and the kettle out of the cooker isolated outlet.
New rcbo protected circuit.
Have some flexibility with the location so depends on how big and ugly the box is.
 
You are doing this for someone else!
Are you actually an electrician?
 
If you google search with words like like "junction box" and/or "10mm" and/or "60Amp" things like this may pop up..

https://www.screwfix.com/p/essentia...mm/13096#product_additional_details_container

https://www.screwfix.com/p/essentia...mm/18734#product_additional_details_container

https://www.toolstation.com/60a-junction-box/p98775

etc..
Or just get any suitable enclosure and put your own terminals inside of it..

Or better still..
Leave the cooker 10mm untouched and find a more appropriate source for your fan!
 
SPECIAL LOCATION said:
Or better still..
Leave the cooker 10mm untouched and find a more appropriate source for your fan!
Click to expand...

Thank you, the Screwfix boxes are more what I had in mind rather than the tool station type that was all I was getting when I was searching.

Assuming the next best source would be to run another circuit from the CU, why would a short spur off the oven circuit be bad practice?
 
jameslaurieuk said:
Thank you, the Screwfix boxes are more what I had in mind rather than the tool station type that was all I was getting when I was searching.

Assuming the next best source would be to run another circuit from the CU, why would a short spur off the oven circuit be bad practice?
Click to expand...
Hi James.
You're posting in the electricians part of the forum, so we're all assuming you are an electrician, could I ask if you are?
If not, the DIY section would be better, as you will get more help.
It's bad practice because it breaks the BS7671 regulation shown in Appendix 15. Fig15A (iii) which states a cooker should be on its own dedicated circuit (if >2kW).
 
HappyHippyDad said:
Hi James.
You're posting in the electricians part of the forum, so we're all assuming you are an electrician, could I ask if you are?
If not, the DIY section would be better, as you will get more help.
It's bad practice because it breaks the BS7671 regulation shown in Appendix 15. Fig15A (iii) which states a cooker should be on its own dedicated circuit (if >2kW).
Click to expand...
Thank you for the clear answer HappyHippyDad, very helpful, can’t remember everything eh?

When I used to run training courses (IT not electrical) we always used to say there’s no such thing as a stupid question. Shame we don’t have that sort of generosity here on the uk’s friendliest forum as electricity kills whereas software doesn’t usually.

If you let me know which certs I need for this week’s definition of electrician then hopefully this thread can stay in this part of the forum.
 
So are you an electrician as it makes a difference to the responses?
 
Cooker circuit is a dedicated radial only for such, obviously you can have a CCU with a socket incorporated with in the unit.
 
HappyHippyDad said:
Hi James.
You're posting in the electricians part of the forum, so we're all assuming you are an electrician, could I ask if you are?
If not, the DIY section would be better, as you will get more help.
It's bad practice because it breaks the BS7671 regulation shown in Appendix 15. Fig15A (iii) which states a cooker should be on its own dedicated circuit (if >2kW).
Click to expand...
Appendix 15 is informative

The load current in any part of the circuit should be unlikely to exceed for long periods the current-carrying capacity
And then goes on to say how this generally can be achieved.
 

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