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Ovens on cooker ccts

Farmboy
In domestic kitchens, what do you think of the practice of connecting ovens to 32/40A cb cooker ccts via dual cooker connection outlet plates? For example, along with a 6kw hob, a 2.5kw oven is connected via a 1.5mm2 3 core h/r flex? One view is that it's acceptable because the flex can't be overloaded and the cb provides s/c protection for the flex, nor would it be coded on an eicr.


F
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    gkenyon:

    As we've recently discussed in another thread, it depends on the manufacturer's installation instructions - the manufacturer has a right to demand an appropriate circuit protective device is used to facilitate fault protection in their appliance - perhaps even the type and rating, e.g. I've heard of B25 mcb or RCBO being specifically stated by one manufacturer.




    I disagree with that fundamental statement, but:


    Why has the manufacturer the right to make products that cannot safely be connected to known standard circuits?


    Is the internal wiring of an oven any larger that that of a cooker?

    It is not, so should a cooker be connected with two (or three) separate 16A circuits? If so, why in the UK do they come with the links between the two (or three) cooker terminals?


    The internal wiring of an oven will safely cope with the fault current with a 32A OPD, therefore 433 and omission of overload protection may be applied.



    Do you think manufacturers of, say, a 70W television set have the right to demand a 300mA fuse?

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  • 0

    gkenyon:

    As we've recently discussed in another thread, it depends on the manufacturer's installation instructions - the manufacturer has a right to demand an appropriate circuit protective device is used to facilitate fault protection in their appliance - perhaps even the type and rating, e.g. I've heard of B25 mcb or RCBO being specifically stated by one manufacturer.




    I disagree with that fundamental statement, but:


    Why has the manufacturer the right to make products that cannot safely be connected to known standard circuits?


    Is the internal wiring of an oven any larger that that of a cooker?

    It is not, so should a cooker be connected with two (or three) separate 16A circuits? If so, why in the UK do they come with the links between the two (or three) cooker terminals?


    The internal wiring of an oven will safely cope with the fault current with a 32A OPD, therefore 433 and omission of overload protection may be applied.



    Do you think manufacturers of, say, a 70W television set have the right to demand a 300mA fuse?

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