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BIG BIG Range Cooker.

Zoomup
I wired up a big range cooker today in a new house. 14kW ish. A 32 Amp 6.0mm2 circuit. Final meter of T&E in 4.0mm2. The big worry is that we could not find a cooker switch on the wall anywhere, just the cooker connection plate. Perhaps not needed by the Regs. nowadays, but nice to turn off when cleaning the cooker, servicing it or in case of emergency, or last thing at night to stop children fiddling.


I warned the owner that it is not a good idea to turn on all ovens and hobs at once.


Z.
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    That's a curious conclusion to draw there Chris. Perhaps it's the occupiers of the two thirds of households that do cook that are buying big cookers! As Mrs G would say, you try cooking lunch for 14 on four rings and a tiny oven ?
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    I am sure that when the "diversity" rules were considered initially for cooking appliances, the cookers were rated at about 6kW max. This beast is over twice the rating of most stand alone four ring, grill and oven cookers of the 1950s.

    But as you add more items diversity generally improves rather than gets worse.

      - Andy.
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    Over fifty years ago my mum and dad went to a country house clearance auction, actually at the house with the auctioneer and bidders standing on the lawn bidding.


    My mum and dad bought double cooker, it was literally two cookers side by side in one case with two ovens and grilles as well as eight ring hobs.


    Having bought it my dad took us all to the local sand and gravel merchants where he borrowed a Morris Minor pickup to go back and get the cooker with me riding on the back of this pickup with my brothers and the cooker.


    This beast of a cooker worked fine apart from one problem, at the auction my mother also bought a huge aluminium jam kettle. She filled the jam kettle  with strawberries and sugar and put on a hob ring, but there was no sign of the jam getting hot, however there was a dripping sound.


    The heat had built up hob ring to over 660 degrees and the aluminium reflector under it melted rather than the heat going into the jam kettle. 


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    Most manufacturers add up the total of the elements, regardless of whether they can be all energised simultaneously. I would have used 6mm2 t&e to the cooker though, rather than choosing 4. 


    Regards,


    Alan.
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    One ring to cook the pasta or rice, a second to cook the sauce or curry. I can't conceive of the need to ever have more than 2 rings.
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    Grumpy:

    Well, if it helps you sleep any easier Zoom, I've just got a Belling 110cm all electric range cooker. The MI's state a 32A supply and so far it's been fine. Perhaps I should update you though on December 26th!


    What time shall I come round on the 25th? Please tell chef that I love Brussels sprouts. I can bring a data logger and a cheap bottle of cooking sherry.


    Thanks,


    Z.


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    Alan Capon:

    Most manufacturers add up the total of the elements, regardless of whether they can be all energised simultaneously. I would have used 6mm2 t&e to the cooker though, rather than choosing 4. 


    Regards,


    Alan. 


    The already existing cooker circuit from consumer unit to kitchen is wired in 6.0mm2. It is just the final short connection that is 4.0mm2 from wall to cooker. So mush easier to work with, and rated well over 32 Amps in free air.


    Z.


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    wallywombat:

    One ring to cook the pasta or rice, a second to cook the sauce or curry. I can't conceive of the need to ever have more than 2 rings.


    Cook pasta, set aside. Heat sauce. Add pasta and re-heat. So one ring is sometimes enough.


    It's a bit like yer 500-odd bhp Range Rover. When can you actually use all of it? ?


  • Former Community Member
    0 Former Community Member
    Zoomup:

    I wired up a big range cooker today in a new house. 14kW ish. A 32 Amp 6.0mm2 circuit. Final meter of T&E in 4.0mm2. The big worry is that we could not find a cooker switch on the wall anywhere, just the cooker connection plate. Perhaps not needed by the Regs. nowadays, but nice to turn off when cleaning the cooker, servicing it or in case of emergency, or last thing at night to stop children fiddling.


    I warned the owner that it is not a good idea to turn on all ovens and hobs at once.


     


    Hi please could you give a link to the instructions for the cooker?


    I usually do an “all on” functional test, to make sure everything clicks on and off as it should, and many electric cooker instructions suggest running all ovens for an hour at 200C before cooking food to burn off the oils etc that are used in the manufacturing process, though it wouldn’t apply to induction or glass halogen hobs.


    Knowing how a cooker actually works does seem remarkably lacking in most topics on installing electric cookers!


     


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    Chris Pearson:
    wallywombat:

    One ring to cook the pasta or rice, a second to cook the sauce or curry. I can't conceive of the need to ever have more than 2 rings.


    Cook pasta, set aside. Heat sauce. Add pasta and re-heat. So one ring is sometimes enough.


    It's a bit like yer 500-odd bhp Range Rover. When can you actually use all of it? ?






    You are thinking like an electrician rather than a hairdresser.


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