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Oven choice: on the ring circuit or share radial with induction hob?

MB_1

Hi all, I hope I'm asking this in the right place. I know variations of this have been asked before, but it's very confusing!

I will be getting a 32a induction hob and a 13a oven.

The current cooker radial is 6mm cable, with a 32a mcb.

As I understand it, it might be possible to put the oven and the hob on the same radial, if you use a diversity calculation. However, not everyone agrees that diversity should be applied to induction hobs, since they can draw their full load from just two rings at once. So, it might be possible but not ideal.

Similarly, I think I could have the oven on the sockets ring, which serves the kitchen and a bedroom. That would be shared with a dryer, washing machine, kettle, toaster, microwave, coffee machine, monitor, laptop. So, probably not ideal either.

Of the two options, which would you recommend? (Rewire is not a great option due to distance from the board, and concrete floors.)

Thanks for any advice you can give - I won't be doing it myself, but just want to know my best option before asking the electrician.

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    I'd say if it is easy to do either way then share it with the oven. Then there is a single method of isolation for cooking stuff, and not having to remember which one, or if the socket cct trips out when the washing machine, dryer and oven are on at once.

    Your bigger problems are likely to relate to RCD protection, ideally you want a large induction appliance on its own RCBO, not sharing an RCD with much else - some designs are pretty close to using all the earth leakage allowance on their own.

    My experience of high rated induction hobs is that it is almost impossible to reach anything like the full power rating, unless one is doing  a load test with pans of cold water on every ring and racing them all to the boil at once.

    For normal cooking, the thing  is turned well down.

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  • 0

    I'd say if it is easy to do either way then share it with the oven. Then there is a single method of isolation for cooking stuff, and not having to remember which one, or if the socket cct trips out when the washing machine, dryer and oven are on at once.

    Your bigger problems are likely to relate to RCD protection, ideally you want a large induction appliance on its own RCBO, not sharing an RCD with much else - some designs are pretty close to using all the earth leakage allowance on their own.

    My experience of high rated induction hobs is that it is almost impossible to reach anything like the full power rating, unless one is doing  a load test with pans of cold water on every ring and racing them all to the boil at once.

    For normal cooking, the thing  is turned well down.

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