Discuss Is it legal to convert old oven circuit into a 1off double socket circuit? in the DIY Electrical Advice area at ElectriciansForums.net

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Hi All
I am new to this forum. Hope you are all well during these tough times.
I need some help regarding the modification to electrical wiring in my house. Please see a pic of the existing DB.
I removed the old electrical oven and installed a new one 2.99kW on the opposite wall. It will be powered through a separate new 6mm2 T&E + 50A cooker switch. Old circuit was protected by a separate 32A MCB - no RCD. The question is: may I wire the new oven into the same MCB? May I change it to a 20A MCB or 32 is a requirement? Is it ok there's no rcd for an oven circuit? Would miniRCBO be ok?
Second question: may I use old 6mm2 cable and its old 32A MCB (both previously used for old oven) to create new circuit for 1off double socket where the old cooker switch was installed? If yes what MCB or RCBO should I use? May I add another MCB to the existing RCCB? I know I can add 1off double socket to every existing socket or even more through switched fused spur but for some reasons I do not want to do that.
Thanks for any help
Please note all jobs will be carried by hiper qualified Electrician. The house wiring was installed new I believe in 2002 but house was built in 1960. Upstairs and downstairs power sockets and loo heater are protected by a single RCCB. No more rcd installed.
Regards
Is it legal to convert old oven circuit into a 1off double socket circuit? MY DB - EletriciansForums.net
 
It’s a good idea to rcd protect every circuit within the property, although not all are dictated by regulations, but when you think it’s a big metal cube, what are the implications of an earth fault and the entire appliance becoming live? An rcd or rcbo would protect against that.
If the cooker switch has a integrated socket, then regs state it must have rcd, also how the cable is run. (Less than 50mm behind wall surface)

Your hyper qualified electrician will give the same advice.... (what makes him hyper qualified?)

He could also have a look at incoming live. Quite a bit of bare (live!) copper showing there.
 
It’s a good idea to rcd protect every circuit within the property, although not all are dictated by regulations, but when you think it’s a big metal cube, what are the implications of an earth fault and the entire appliance becoming live? An rcd or rcbo would protect against that.
If the cooker switch has a integrated socket, then regs state it must have rcd, also how the cable is run. (Less than 50mm behind wall surface)

Your hyper qualified electrician will give the same advice.... (what makes him hyper qualified?)

He could also have a look at incoming live. Quite a bit of bare (live!) copper showing there.
I agree. Will install rcbo for new oven but does it have to be 32A or 20A is enough?
 
At 3kW, 16A is enough.... I’m assuming you’re in UK? Where is SWE?

Trouble is, the questions you are asking could be answered by your electrician, who should be doing the work for you.

We can advise DIY work to an extent, but when it includes working within the consumer unit itself, all we can say is “get an electrician in”
 
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