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Electric Hob Instructions.

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I have been asked to estimate for a small rewire. The rewire includes a new supply to an electric hob. I asked the property owner the rating of the hob so that I can size the cable. He said that it can be run off a 13 Amp plug, so says his mate who is an electrician.


I asked to see the makers' instruction for the hob. It stated that the hob should be supplied from a switched fused connection unit. So far so good I thought.


But then the requirement was for a 32 Amp. fuse to be inserted into the switched fused connection unit. So much for following manufacturers' instructions.


Z.
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    Helena Handcart:


    The "cheaper" induction hobs come with a 13A plug and are limited in firmware to 3KW total power and you cannot change this limitation.

    This means that if you use just one "ring" then you can use the full 3KW on it to boil a pan of water. However if you turn that ring down to say 1KW to simmer it, and now want to boil another pan of water on another ring then the second pan will be limited to 2KW. Many people fail to realise this limitation at the cheaper end of the induction hob market - that you cannot use all the 4 rings full or even half blast at the same time - just the one.




    This limitation is not limited to cheaper devices. I don't think that customers "fail to realise this limitation" - they simply don't understand the physics. Who would cook Christmas dinner in an oven which with its companion cool oven is limited to 3 kW?

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  • 0

    Helena Handcart:


    The "cheaper" induction hobs come with a 13A plug and are limited in firmware to 3KW total power and you cannot change this limitation.

    This means that if you use just one "ring" then you can use the full 3KW on it to boil a pan of water. However if you turn that ring down to say 1KW to simmer it, and now want to boil another pan of water on another ring then the second pan will be limited to 2KW. Many people fail to realise this limitation at the cheaper end of the induction hob market - that you cannot use all the 4 rings full or even half blast at the same time - just the one.




    This limitation is not limited to cheaper devices. I don't think that customers "fail to realise this limitation" - they simply don't understand the physics. Who would cook Christmas dinner in an oven which with its companion cool oven is limited to 3 kW?

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