Oven tripping the electrics

Catbenetar

Thanks for all the advice. Should have someone out in the next couple of days. If I get a resolve I’ll let you know as it may be of help to others in the future. 

Lorian

What is plugged in to the socket that was moved in the bedroom, and it maybe worth while posting a picture of your consumer unit showing all the circuit breakers.

Doonhamer

When you say on the same circuit I think you might be confusing something with RCDs and MCBs. Consumer units are often split load with two separate RCD protections with a number of individual MCBs fed from each. Typically you may have half the lights and sockets on one and half on the other, and maybe the oven on one, a shower and heating on the other. So if the oven trips the RCD you will lose the oven and half the lights and sockets. I doubt that a bedroom socket and the oven would be on the same individual MCB circuit breaker as the oven one would be 45A.
I still think if isolating the oven at the wall switch stops the RCD tripping, and you replaced the oven, the fault must be between the load side of the oven wall switch and the oven, I'd get these terminations and cable checked.

Catbenetar

Doonhamer said:

When you say on the same circuit I think you might be confusing something with RCDs and MCBs. Consumer units are often split load with two separate RCD protections with a number of individual MCBs fed from each. Typically you may have half the lights and sockets on one and half on the other, and maybe the oven on one, a shower and heating on the other. So if the oven trips the RCD you will lose the oven and half the lights and sockets. I doubt that a bedroom socket and the oven would be on the same individual MCB circuit breaker as the oven one would be 45A.
I still think if isolating the oven at the wall switch stops the RCD tripping, and you replaced the oven, the fault must be between the load side of the oven wall switch and the oven, I'd get these terminations and cable checked.

Yeah I think I'm deffo getting the terminology wrong. All I know is that when the oven trips it takes all the kitchen and master bedroom power away.
I agree that the fault must be between the switch and oven. It seems the most logical thing. 

Should have added that this is a rental house, so it is our oven, but the landlords wiring which complicates things a little. Luckily I have amazing landlords who just want to help sort it out. They are sending an electrician out either today or tomorrow. The advice is very helpful as I want to understand what work might potentially need to be done so thank you.

Catbenetar

If anyone is still following I do have an update.

We had an electrician out who said the wiring is too small to accommodate a 10kw oven. The installer really ought to have spotted this at the time it was put in. 

Our options are to either try and get another oven (though most are around 10 so this will be a struggle) or have a new cable run from the oven to the fuse box. 

Nightmare!

Catbenetar

The cable in at the moment is a 6mm and it needs to be a 10mm is what we're being told.

Albermarle

Catbenetar said:

If anyone is still following I do have an update.

We had an electrician out who said the wiring is too small to accommodate a 10kw oven. The installer really ought to have spotted this at the time it was put in. 

Our options are to either try and get another oven (though most are around 10 so this will be a struggle) or have a new cable run from the oven to the fuse box. 

Nightmare!

You can buy normal size fan ovens that only use around max 2.5 KW. You can even just plug these into a normal 3 pin plug socket.
I guess the fact that the oven also comes with a ceramic hob, is what is pushing the power requirement up?

Catbenetar

Albermarle said:

Catbenetar said:

If anyone is still following I do have an update.

We had an electrician out who said the wiring is too small to accommodate a 10kw oven. The installer really ought to have spotted this at the time it was put in. 

Our options are to either try and get another oven (though most are around 10 so this will be a struggle) or have a new cable run from the oven to the fuse box. 

Nightmare!

You can buy normal size fan ovens that only use around max 2.5 KW. You can even just plug these into a normal 3 pin plug socket.
I guess the fact that the oven also comes with a ceramic hob, is what is pushing the power requirement up?

I would guess so. It was fitted by a 'professional' who should have spotted that the cable wasn't a sufficient size for the 45amp fuse. I hope we will have some comeback on this and be able to exchange it. I can't imagine that we should have been checking this, it's not something I've ever thought about before. 

vacheron

Catbenetar said:

If anyone is still following I do have an update.

We had an electrician out who said the wiring is too small to accommodate a 10kw oven. The installer really ought to have spotted this at the time it was put in. 

Our options are to either try and get another oven (though most are around 10 so this will be a struggle) or have a new cable run from the oven to the fuse box. 

Nightmare!

We have two pyrolytic NEFF ovens and they are both under 3-4 KW even when pyrolitic cleaning, In normal use they are much lower. We have both running from a 6mm ring (on the understanding that we don't run the pyrolitic function on both simultaneously). 

10KW therefore be an enormous oven. I assume you mean hob or combined oven? We have a 5 ring induction hob which requires 13KW max and has 10mm cable running to it on a dedicated circuit with a 50A RCBO.

However, the hob will only draw 13KW with all 5 rings running at full power, something we have never even came close to achieving.

Also, many hobs (particularly induction hobs) have a switch to limit it to a maximum consumption of 3KW so it can be used from standard ring main wiring.

Catbenetar

vacheron said:

Catbenetar said:

If anyone is still following I do have an update.

We had an electrician out who said the wiring is too small to accommodate a 10kw oven. The installer really ought to have spotted this at the time it was put in. 

Our options are to either try and get another oven (though most are around 10 so this will be a struggle) or have a new cable run from the oven to the fuse box. 

Nightmare!

We have two pyrolytic NEFF ovens and they are both under 3-4 KW even when pyrolitic cleaning, In normal use they are much lower. We have both running from a 6mm ring (on the understanding that we don't run the pyrolitic function on both simultaneously). 

10KW therefore be an enormous oven. I assume you mean hob or combined oven? We have a 5 ring induction hob which requires 13KW max and has 10mm cable running to it on a dedicated circuit with a 50A RCBO.

However, the hob will only draw 13KW with all 5 rings running at full power, something we have never even came close to achieving.

Also, many hobs (particularly induction hobs) have a switch to limit it to a maximum consumption of 3KW so it can be used from standard ring main wiring.

Yeah sorry, it is a cooker so ceramic hob and then fan oven.