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Hi all, need some help. I'm attempting my first plastering job where i've bricked up an internal doorway and chased out for some electrics. I bought a bag of bonding just over a week ago and its been stored in the shed (which is insulated!!) off of the floor. I came to mix some up by hand...

OK guys, on to the cable run, it's well under 10m, in the wall its in plastic conduit and through the joists there's no insulation threfore in theory I should b able to up the breaker to 50A, would this be correct? Anyhow, i think for the time being I'm going to leave as is apart from run new...

I'm sure i've read that some radial circuits for showers use 50A MCB's with 10mm cable, if this is correct I don't understand why this could be dangerous for other high wattage appliances?

Sorry if i'm being daft, but can you explain how upping the MCB to 50A would/could be dangerous? On another point my current cooker has max of 10.7kw (46A?) and doesn't trip the 40A MCB even on Xmas day!!

Thanks for all your guidance Col, this is what i'm going to do. Up the MCB to 50A, 10mm cable from CCU to double cooker outlet and I've found a decent double oven and hob which total 11.7kw (pretty much bang on 50A) ...... ... however i do need some more advice on the new MCB as I just read...

Cable is run straight through joist with no insulation. Slightly illogical with the way i'm doing things, but my missus is the one who wears the trousers and our bedroom was a wreck and kitchen ceiling skimmed last week as didn't think i was going to run into any probs with the cooker circuit.

Putting a separate circuit in isn't an option now as bedroom upstairs has new floorbaords / skirting / carpet etc. and kitchen ceiling just been skimmed. The Oven/Hob i was looking at (not ordered yet was 12.5kw), what i'm saying is, if i put a 50amp MCB in I can then run a hob and oven off the...

Thanks ColJack. Can you point me in the direction of a double CCU, I can only find singles! With the MCB assume this can be changed from 40 to 50 Amp? If so i can run both the oven and hob off the circuit providing the total wattage doesn't exceed 11.5kw. With regards replacing with 6mm...

Hi all, this is my 1st post to the forum and would really appreciate it if someone could give me some advice on the wiring for a new hob & double oven. My current circuit is 40amp MCB at the consumer unit with 10mm2 cable to 45 amp CCU (with socket), then 10mm2 cable to terminal outlet box...