Cooker Control Unit question

[Learner]

Hello, 1st post here and would be very grateful if anyone can provide some advice.

I am installing a new range cooker and cooker hood and moving/replacing the cooker control unit.

I have done a lot of reading up on this but I still I have a few questions.

Is it ok to extend the cable to the cooker control unit by a couple of feet with the same grade (6mm/30Amp) connectors and wire?

There is no existing sockets near to where the new cooker hood needs to go except for the cooker control unit, is it ok to supply the hood from the cooker control unit. The new cooker is 15.2KW and cooker hood is 220W so together still under 16KW which I believe is the limit for a 6mm supply cable. So is it ok to add the cooker hood to the cooker connection as well as the cooker, from my research so far it seems like it should be ok.

I have read somewhere that having a cooker control unit with a socket in it isn't advised anymore and also means that a cooker between 13KW and 16KW won't be protected in the case of an emmergency, is this really the case and if so how real a problem is it as the new cooker control unit is already fitted and it would be a major pain to remove and replace it?

Sorry for the long questions.

Thanks

Mike

 

[ukpablo]

6mm cable is no where near enough for a 15kw cooker!

15200 / 240 = 63.3A

also need to account for cable route? ie in thermal insulation, plaster board etc.

breaker prob only 32A?

I would get a qualified electrician in to look at it and get it done properly.

thats my advice.

 

[sparkylad]

Sorry Mike but from some of the content of your post it is clear you are out of your depth here. In the interests of safety ,you need to engage the services of an Electrician- preferably one registered with a competant person scheme....apart from everything else your into Building Regs territory here { Part P etc }

 

[Learner]

Thanks for the replies and suggestions of getting a qualified electrician in, I was fast coming to that conclusion myself.

I will do it this week, it will be a total nightmare if we need to run a new cable from the consumer unit bit if that is what it takes then so be it.

There is some confusing information out there though, my supposedly respected DIY guide has the following two quotes.

"30amps (fuse) for a cooker up to 16KW" and "for a circuit with a 30amp fuse use 6mm cable" which to me means 6mm cable should be fine for a cooker up to 16KW or am I reading this wrong.

I will let the electrican decide.

Cheers

Mike

 

[soulman]

when selecting cable you need to take the amount of current it will carry (amps) 15000/230. Then you must factor in how the cable will be run to the load (cooker) will it pass through thermal insulation etc; when choosing the circuit breaker diversity can be applied.

if you used 6mm cable you would probably cause a fire.

 

[JulianC]

There's quite a bit of diversity allowed on cooker circuits - check the OSG. The EGBR (little green book) states that a 30A or 32A circuit is usually appropriate for cookers up to 15kW. You're a little above that but, depending on installation method and volt drop, you may be able to get away with it. But yes, get an electrician to have a look and advise.

 

[sparkylad]

Mike you stated your DIY advised --- .30amps (fuse) for a cooker up to 16KW" and "for a circuit with a 30amp fuse use 6mm cable" which to me means 6mm cable should be fine for a cooker up to 16KW or am I reading this wrong.

I think that would have been a TYPO. it probably shoiuld have read 6KW...even that is not exactly right

However ,that point aside, Call in an Electrician Mate...thats your safest course of action !

 

[Learner]

Thanks again guys, I am feeling a bit daft now as I have just re-checked the rating of the new cooker and the 15.2KW total rating includes the 5 Gas burners. The total electrical rating is only 7.4KW.

I am still going to get someone in to do this though.

Mike

 

[ukpablo]

There's quite a bit of diversity allowed on cooker circuits - check the OSG. The EGBR (little green book) states that a 30A or 32A circuit is usually appropriate for cookers up to 15kW. You're a little above that but, depending on installation method and volt drop, you may be able to get away with it. But yes, get an electrician to have a look and advise.

With 6mm cable?!

 

[JulianC]

With 6mm cable?!

A 6mm cable on a 32A breaker, subject to installation method and volt drop will be fine when you account for diversity. It's a different matter if you routinely run your 15kW cooker flat out to heat the house. Come on, this is basic stuff isn't it?

 

[ukpablo]

Of course im happy with fact of diversity, however the cooker stated was over 15kw which is over what is stated in the OSG.......!!

Would u use the 6mm cable for it!!! i doubt v much!