electric hob and oven


Postby jasont82 » Wed Jul 09, 2008 8:24 pm

hi there
i have a gas hob and electric oven but want to change the hob to an electric one. the oven is on a 45amp circuit. i figure thats good for 10kw. my oven only draws 2.3kw and my new electric hob has a max load of 7kw. can i run the hob and oven off the same circuit as worst case its only going to draw 9.3kw and thats if all the rings on the hob are turned on with the oven going. if i can run them both off the 45amp circuit, when it comes to connecting it up do i just take a 10mm from the cooker connection plate to the oven and then loop to the hob? or do i need to loop the cooker connection plate to another cooker connection plate rthen run a 10mm tail to the oven and another to the hob?
thanks jason
jasont82
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Postby ericmark » Wed Jul 09, 2008 11:12 pm

Your theory is sound but in practice most built in hobs and ovens manufactures instructions stipulate the size of the over current device which is often a lot less than 45 amp so you will need to read the instructions first. You may find you need a local fuse box or consumer unit to comply with manufactures instructions the oven is simple as under 3Kw so a fused spur unit with 10 or 13 amp fuse will do the trick but if the hob needs a 32 amp MCB or fuse to supply it then local units to house the MCB in a neat manor are not so easy to hide. There are some flush units designed for showers which may work OK for you but no point until you know if you need one. Also with larger cables not always easy to fit two cables in one hole so how they are split is also dependent on the physical sizes of the isolators and junction boxes etc.
All best Eric
ericmark


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