ring

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  1. T

    Comsumer unit - upstairs/downstairs ring mains

    Hello, I bought a new build and noticed the upstairs MCB is controlling some sockets on the opposite floor, so if I flick the upstairs MCB it's also switching off a socket downstairs (I think it's a spur) in addition to all the ones upstairs Is there anything within 7671 that states this is...
  2. J

    C40 rcbo on ring main changes to b32 causing nuisance tripping

    Ring main was on a c40 rcbo so I tested the circuit everything was fine and dropped down onto a b32, It’s quite a long circuit but only serves about 10 sockets.The rcbo stays on but the client says trips frequently, I’ve been back and the rcbo stayed on the whole time, I then left and over the...
  3. M

    UK Spur of midpoint of ring?

    Ok. Can you cut a ring in half, add junction box, then run a spur off it? I thought it had to be from a socket? Mate of mine wanted me to see if "a couple of wires were dead". Looks like old ring main, but they go in the wylex fusebox, so will have to check they are properly removed. Ends...
  4. oracle

    13A FCU connected to the kitchen ring supplying an outdoor junction box,

    I found a 13A FCU, connected to the kitchen ring supplying an outdoor junction box, providing two SWA 2.5mm radials. Unconventional? yes. One radial 3m long to IP56 socket, and one radial supplying garage unit, lightning and power.
    • oracle
    • Thread
    • box connected fcu junction junction box kitchen outdoor ring supplying
    • Replies: 2
    • Forum: UK Electrical Forum
  5. D

    Adding to an existing ring main, but no spare ways in the C/Unit

    Hi guys I am looking to add 4 additional sockets for a room that is being converted for a bed ridden person. The room at present has no sockets in it, would it be possible to add to the existing ring main in the consumer unit (this is in the room). The load would be very minimal couple of...
  6. B

    Shower on 4mm ring final circuit.

    Hi, I've got a customer who wants a 10.5 kW shower installed in his bathroom. As it happens he already has two unused 4mm T&E cables run from the CU cupboard to the loft. I know it's unconventional but is there any reason I can't use these cables to make a dedicated RFC for just the shower...
  7. I

    Spur line (non ring) on TT supply question.

    Hi Guys, Long time member and not a regular user here. I do pop in here when the odd unknown pop's up and unable to locate an electrical dilemma and cannot find a person that has the expected knowledge and can explain and help, as yet unable to find information even from respected persons. Let...
  8. michaelw6

    Outside socket spurred from the ring main. query! (I am a long Serving electrician)

    Ok i may get slated for this one but here goes; A bit of background info first. Its been a while since ive looked at my iee regs, and ive not done my 18th edition but get the updates. i no longer practice much electrical due to a career change. But for friends, family old customers when i get...
    • michaelw6
    • Thread
    • electrician long main outside outside socket query ring ring main socket spurred
    • Replies: 12
    • Forum: UK Electrical Forum
  9. L

    How do I know if I've got a ring circuit or a radial circuit?

    Hi! Is there any way to know if I have a ring or a radial circuit in a division of the house? Thanks!
  10. L

    How to install a junction on ring circuit spur?

    Hi everyone, I've got an electrical ring circuit that looks somewhat like the drawing below, where the blue sockets are part of the main ring and the red socket is a spur. I need to create a new socket, but the closest socket and the only one I have easy access to is the spur. Is there any...
  11. T

    Car charger Direct install or via ring mains?

    Just a question as I’m waiting for a new electric car to be delivered and they have included installation offer when it arrives free of charge. However, I’m a bit concerned as to whether they will need to get to the main switchboard which is all the way round the house which is going to be...
  12. T

    Ring Doorbell - Is it possible to get power from light switch?

    So I'm wondering is there's a way to grab some low voltage power from the back of a light switch/ I have no other way of getting power to my Ring Door bell and I would like to not have to use batteries.
  13. D

    Ring Video Doorbell Wired Installation Setup 3rd Party Accessories

    Hi, So I ended up with a Ring video wired doorbell instead of a Byron video wired doorbell as B&Q were out of stock (had ordered online) and they gave the Ring one at no extra cost (nice of them). Not what I was after but will have to make and do. I don't really want to fork out and buy the...
  14. D

    Time Bell Cable Potential Usage Doorbell/Security Camera (USB)

    Hi, I purchased a Time twin strand bell cable with a rating of 12-30V, 2A, low voltage, not for mains use. I wish to use this for installing our new Ring wired doorbell. We don't have an existing doorbell wired setup so it would need to conform to a DIN rail transformer specification of 24Vdc...
  15. S

    Generation 2 Ring doorbell install

    Amateur with no experience here - bought a Ring doorbell in the sale assuming I would just switch it out for my doorbell by removing and reattaching - however concerned it may be a bit more too it# Current button goes to a chime housing a transformer (DETA C3500 A/C 220-240 volts 50Hz)...
  16. J

    Kitchen rewire - old ring main - new radial

    Hello, Last year I had some electrical work completed in my house (New CU, SWA for garage, downlights) I informed the electrician that I will be renovating the kitching at some point so he ran a new kitchen radial circuit for sockets and hob and oven circuit. These are on seperate RCBOs, which...
  17. J

    Ring wired - Help bypass Underdome Bell? Friedland 743 transforma

    Hi, I bought a Ring wired bell thinking, easy, just replace the current doorbell. Now I'm hunting down how to bypass the chime but am unsure of how given this underdome bell system? Please see photos, Friedland 743 transforma is separate with chime on wall, I can't see anything else and do not...
  18. R

    To many spurs on ring circuit

    Evening all, Been to a job on Fri where the customer had a condition report completed. Two of the remedial identified was that there were too many spurs off spurs on the upstairs and downstairs circuit. There’s are separate circuits both rings which test okay etc. I looked at upstairs one...
  19. V

    Unusual Ring Final Tests

    After fixing a few CPC related issues on a ring final I got the following results L-L = 0.47 N-N = 0.47 CPC-CPC = 0.69 R1+R2 Tested at 0.31 R1+Rn Tested at 0.25 All looks good, until that is I realised that the CPC-CPC is actually not quite right. It should be 0.78 (0.47 x 1.67 for a 2.5/1.5...
  20. cliffed

    Zs on ring main high

    NICEIC visit the other day… pulled up on length of RM circuit …. Zs 1.30 ohms… RCBO 32amp B type…thoughts on this

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