# how to wire built in single electric oven and solid plate ho

#### nfab4256

Ihave a single electric oven and a separate solid plate hob. Can these be connected to the existing cooker point?
The fuse in the fuse box is marked as 30amp.. I will use a 45amp cooker switch to control them.

The supply is limited to the fuse rating-30amp, is that enough to run both items.

If by 'solid plate' you mean IR hob then maybe not.

Could you research the capacity in watts /kw of each, add them together and divide by 230v to get amps. Is that over 30 amp ?

The supply is limited to the fuse rating-30amp, is that enough to run both items.

If by 'solid plate' you mean IR hob then maybe not.

Could you research the capacity in watts /kw of each, add them together and divide by 230v to get amps. Is that over 30 amp ?

Thanks for that.
The hob is an AEG st/st four ring solid pate 7000w
The oven is a Beko Electirc 2300w

Si I work that out to be 41amp approx

You can employ 'diversity' when calculating the load for heating appliances.
Take the first 10a of each appliance and then 30% of the remainder:

7000w/230v = 30a - 10a = 20a. 20a x 30% = 6a. Total: 6a + 10a = 16a
2300w/230v = 10a = 10a(!)

If the cooker switch has a socket outlet you'd have to add 5a.

So the combined load would be 26a (without the s/o) so your 30a fuse is fine.
You would need to ensure that the cable is sufficient as well mind.

Your present supply will be enough to run both items, BUT:

You must check the manufacturer's instructions to see what fusing the oven requires. IF it says it can go on a supply protected at 30/32/40amps, then fine, get a double outlet plate.
BUT IF it says it needs to be fused at 13amps, then you'll need to install an FCU fed from the outlet plate, with the oven on the load side of the FCU.

You can employ 'diversity' when calculating the load for heating appliances.
Take the first 10a of each appliance and then 30% of the remainder.
Why wouldn't you do one calculation using the combined load of both appliances?

Now at the stage of wiring all this together.
solid plate electric hob and single electric oven,
Hob is connected with 10mm 2core and earth to a cooker point then to a 45a cooker switch. to fuse box.
oven manual states needs to be hardwired with min 13a fuse...now can this be run into the same cooker point and 45a switch or does it need to be connected to seperate 13a fcu and switch?
Hope this makes sense ..any advice will help.
Thanks,Neil

You can employ 'diversity' when calculating the load for heating appliances.
Take the first 10a of each appliance and then 30% of the remainder:

7000w/230v = 30a - 10a = 20a. 20a x 30% = 6a. Total: 6a + 10a = 16a
2300w/230v = 10a = 10a(!)

If the cooker switch has a socket outlet you'd have to add 5a.

So the combined load would be 26a (without the s/o) so your 30a fuse is fine.
You would need to ensure that the cable is sufficient as well mind.

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