Discuss Cooker supply 12kw correct cable size in the Electrical Forum area at ElectriciansForums.net

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Adamk

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Hey guys

I’ve run a 6mm for a cooker, runs about 10metres. The customers has changed her mind on the cooker and gone for a 12kw range. Went back today to finish off and saw this lovely surprise. I know you have to take diversity into account. But for my peace of mind. Would 6mm 32a MCB be fine?

Kind of panicking a bit as the jobs finished.

What you think? Please dont tell me to tell her to change it as that’s not really an option :( Thanks
 
nothing wrong with 6mm on a 32A unless the cable is covered in >100mm of insulation.
 
Well the things is that it’s inside a 25mm conduit under some screed for about 5metres... rest of it’s under the floors boards so got
Plenty of air. Thoughts?
 
Top tip from me - get your client to define PRECISELY which model that they want to buy before 1st fix and explain why you need this ......... then they think twice about changing their minds...
Yes this is the 1st time this has happened after many many kitchen jobs. Howdens muck up the kitchen layout and they had more space where the cooker was going to go, so they
Thought they would go for a wider and more powerful as they had more space....
Not ideal
 
What you have should be more than fine, On Site Guide suggests a 15kW Cooker is fine on a 32A MCB and 6mm Cable.

When customers change their mind it can be a PITA, had it before where it was a gas hob all the way so just a simple spur off the ring, got there to finish the job and no gas hob there, a blooming ceramic touch control electric one instead:rage:
 
Must be 10mm on a 40a mcb... with the cooker switch rated at 45amps... my personal choice
I meant from the outlet to the actual cooker, rather than from the OCPD to the isolator/outlet
I can’t recall seeing a domestic cooker/oven being able to take 10mm in its terminals
 

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