Spur double socket off cooker switch

thunt · 20 Apr 2026

Now, I am getting an electrician to do this, but just wanted verification as I am making the hole for the new back box.
Reason being it is a tiled wall, and the electrician is giving me a cheaper price if i do this myself.
I have verified his request i make a hole for the double back box and nothing more.
I questioned this as would there not have to be a hole for the required FCU as well, needed to take the cooker supply down to the 2.5mm cable?

I don't normally question an electricians request, but being a tiled wall i don't want to end up making a hole that isn't big enough, or worse too big.

Photo shows the cooker switch which I want the double socket placed next to it.

Thanks in advance for replies.

pete01 · 20 Apr 2026

Can't see why not, What size is the oven?

I assume the cooker already has rcd protection?

thunt · 20 Apr 2026

pete01 said:
Can't see why not, What size is the oven?

I assume the cooker already has rcd protection?

It's a freestanding cooker, yes with it's own RCD protection.

pete01 · 20 Apr 2026

thunt said:
It's a freestanding cooker, yes with it's own RCD protection.

How about a cooker switch with socket built in?

Ragnar_AT · 20 Apr 2026

As long as there‘s no more than one double socket you don’t need an FCU.

thunt · 20 Apr 2026

pete01 said:
How about a cooker switch with socket built in?

Didn't think if that, but already purchased a double socket with USB which the wide is sold on.

thunt · 20 Apr 2026

Ragnar_AT said:
As long as there‘s no more than one double socket you don’t need an FCU.

Interesting as I thought you couldn't spurs 2.5mm cable directly off 6mm...if you can then this is why the electrician is saying only make the hole for the double socket.
Thanks

flameport · 20 Apr 2026

thunt said:
spurs 2.5mm cable directly off 6mm...i

You can, if it only supplies one socket outlet (double or single).
No different from an unfused spur from a 32A ring circuit.

JohnW2 · 20 Apr 2026

Ragnar_AT said:
As long as there‘s no more than one double socket you don’t need an FCU.

If he/she used 4mm² cable, he/she could have have as many double sockets as they wanted.

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Spur double socket off cooker switch

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