Ceramic hob cable size

petend · Wednesday at 4:15 PM

Looks like a 4mm existing cable is installed, will this suffice for new 32amp ceramic hob.
The cable is approx 4m length 1.2m embedded in the wall, cable is pvc sheated

pete01 · Wednesday at 4:17 PM

Yeah that sounds fine, is the 4mm on a 32 amp mcb?

What kw is the hob?

petend · Wednesday at 4:30 PM

6.6 kw no mcb on a 30 amp fuse carrier c u

EFLImpudence · Wednesday at 4:44 PM

Is it a rewireable fuse?

Are you sure it is 4mm². That would be most unusual.

EFLImpudence · Wednesday at 4:46 PM

petend said:
new 32amp ceramic hob.

6.6kW @ 240V is 27.5Amps

petend · Wednesday at 5:10 PM

There two cables running from the c u to cooker/ hob but I can't tell which goes where until the existing hob and cooker are taken out, one at 4mm the other at 6mm will the 4mm cable suffice if it's running to the hob

EFLImpudence · Wednesday at 5:16 PM

petend said:
There two cables running from the c u to cooker/ hob but I can't tell which goes where until the existing hob and cooker are taken out, one at 4mm the other at 6mm will the 4mm cable suffice if it's running to the hob

Yes.

When you say cooker, do you mean oven?

If so it would be better (though not critical) the other way round -

6mm² to hob and 4mm² to oven.

petend · Wednesday at 5:23 PM

Oven, wattage will be 5.5kw, maybe that's where the smaller cable runs too just wanted to make sure so the electrician won't quibble, applying diversity tells me it' OK

EFLImpudence · Wednesday at 5:31 PM

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Ceramic hob cable size

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