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  1. B

    Main Breaker box Wiring

    Hello Gentlemen Great Forum! Newbie to this place, not sure if am posting my question in the right section. I am attaching a pic showing wiring to the 220-240V main panel, my question is this the correct way of making these connections? I do feel something is missing here as I am confused with...
  2. S

    Capacity on ring main

    Hi, I'm a DIY'er, new to this forum. My situation is, I'm laying a new kitchen ring circuit for my sister. The ring will supply the obvious kitchen appliances including 3kW oven, fan, washing machine, dishwasher, f/f, microwave, toaster, kettle, plus an elec fire at the far end. Potentially an...
  3. P

    Smeg Opera A3 Main Oven Won't Turn On

    My Smeg Opera A3 has just developed a fault with the main oven. Nothing works at all. Fan, oven element, grill element lights - all dead. I've changed the main oven element before when that failed but it's clearly a different problem. Any suggestions where to start? Thanks.
  4. J

    Ring main.

    Question I have is, is it ok to have x2 ring main circuits on one 32amp type B MCB?? If so does this meet the current regs. TIA.
  5. B

    Need help choosing correct size main breaker for existing subpanel

    DIY homeowner here. I need advice, but will hire a pro if major rewiring needs to be done. I purchased a home with a 200amp service. There is a detached garage about 15’ from the house. I dont think the subpanel in the garage was wired correctly. There are currently three 4awg aluminum branch...
    • bartleyhs
    • Thread
    • breaker correct existing help main main breaker need help screwfix size subpanel
    • Replies: 9
    • Forum: UK Electrical Forum
  6. N

    Hi All, looking fo some support/ guidance with my solar PV causing my main CU RCD to trip randomly.

    First post on any kind of forum so please be gentle with me!! I moved into this house a couple of months ago and the vendor had a solar PV installed 5 years ago now. Recently I have had random tripping of my main RCD for what I believe to be a result of the Solar PV. I’ve attached a couple of...
  7. ferg

    Sub main OCPD

    I have seen rather frequently SWA sub mains taken from Henleys protected only by DNO fuse and a stand alone RCD. I have seen it so often now that I am beginning to question my own knowledge. My understanding is that the sub main should have it's own OCPD depending on the cable it is...
  8. J

    Open circuit on a ring main.

    Hi All! Officially losing my EF forum virginity with this one, and would greatly appreciate any help you guys could throw my way! Through Covid-19 and no work currently being undertaken, this would seem like the best opportunity to finish the portfolio for my qualification. I am a 3rd year...
  9. Pretty Mouth

    Why are main protective bonding conductors sized as they are

    Hi all. Hope you are all well and virus-free. This question is not how to select main protective bonding conductor sizes according to the regulations. That I understand how to do. What I am asking is: Why do the regulations require such a large CSA for Main Protective Bonding conductors...
  10. B

    Main rcd tripping

    Hello, my contactum b8003/2 30mA RCD feeds about 6 MCBs for light and power. Nothing had changed but suddenly my dishwasher seems to be the common denominator in tripping the main rcd. However, if I turn off all other MCBS, it doesn't trip. Please help me with my logic. This makes me think that...
  11. L

    Fused spur on ring main

    Hi All, and thanks in advance for reading my question. I have soent the last 30 mins searching online without an answer to y question. My kitchen is currently being rewired. The hob is going to run off a fused switched spur. The switched spur is currently wired directly into the kitchen ring so...
  12. Floody

    Ring main repair advice

    Afternoon. I've recently had a ring main fault where a leg from socket to socket has gone down to earth. All sockets off, continuity testing between each leg and core and found the culprit. Was tripping RCD when turning ring on (kitchen) Anyway, I havent got the option to put a new leg in, so...

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