Search results

I opened my DB to recheck the size of my existing shower cable and I noticed that my 30 A downstairs ring-main breaker has three red 2.5mm cores connected into it. Also the insulation has started to become dicoloured on one of the cores and the terminal screw on the breaker is also discoloured...

Hello all, i've replaced the shower + cabling in my house and i'm looking to uprate my MCB accordingly. I have an old MK board with Sentry MCB's and I need a 40 or 45 amp MCB to replace the old 30 amp. The board is marked up as MK LN 5612 - 12 module. The breakers are rail mounted and the...

Good morning all, just had a look at table 4D5A and looks like i'll only get 44-47 amps out of a 10 mm cable. Looks like i'll have to settle for a 40 amp MCB. I'm assuming a tybe B MCB is the correct choice for this application?

Thanks, i'll go and dig out my n site guide before I go to bed. I did look earlier and I thin that table states 40-45 amps if we assume method no 4 (if that is the correct method) I may have to opt for a 40 MCB

I'm thinking that the 40 amp breaker may suffer from nuisance tripping, so I would prefer to use the 50 amp unit safely if possible. As for the cable run, which installation method number correctly refers to running in a house? Most state run in conduit in a wall or clipped direct among the...

Hello all, just a quick question. I am planning to upgrade my shower to a 10.8 kw unit and upgrade my wiring to 10mm twin and earth. (usual run in a standard terraced house). I'll need to replace my old 30 amp MK mcb with an uprated unit but the only ones I can get from my local retailers...