23 Jan 2019
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United Kingdom
I’m having a pair of new ovens installed during a kitchen refit and I’m a little confused about how my electrician has decided to connect them.

The ovens are Neff B57CS24N0Bs and are rated at 3.45kW. They came with cables naked 16A/230V and the instruction require them to be hardwired to an earthed 16A supply.

My electrician has run twin core cable up to the connection points (can’t see the earth) and wants to put a 13A plug and socket to hook them up.

He says this will be fine and while I’m sure 14.5A probably won’t blow the fuse I’m a bit worried in terms of warranty and home insurance as I can’t afford to replace them.

Should I insist they be hardwired?
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show us a photo please

My mistake it does have a small earth cable.

Here’s a (bad) photo.
That's 10mm T&E isn't it? A bit overkill for a plug and socket!
He sounds well dodgy to me - we had some 3kw workshop fan heaters in work and they had to be hard wired.
Fan heaters have no diversity reduction.

A 3.45kW (at 230V) cooking appliance is a 10.5A load.
he should know better than to try and use plugs and sockets.

Is he a beginner?
If there are 2 connection cables in wall. (connected to 2 16A MCBs) then you don't need a dual connection plate.
he should know better than to try and use plugs and sockets.

Is he a beginner?

He’s not our usual electrician but certified and has worked for 10 or so years. I’m happy with the rest of installation he’s done but seemed pointless to put in thick cable then bottle neck it with a regular 13A plug when it wouldn’t be hard to add a cooker connector.
As long as whoever installs it is prepared to sign the certificate identifying it as a departure....

But WOE would you ever want a fixed, built in appliance on a plug?

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