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ring

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  1. M

    Extending ring to outhouse?

    Hi all back again needing more advice. I've included some photos. Basically customer has asked me to supply and wire outhouse. Unfortunately as consumer unit is at front of house there's no real possibility of supplying on own circuit. The outhouse will have about 3 x double sockets and couple...
  2. S

    Moving socket on ring

    Hi all, Moving a socket on a ring 30cm sideways. Depending on how the cables come in, was going to through crimp the t & e, heat shrink over it and put it in some capping/oval conduit, bury in wall and then plaster over. This sound acceptable? Cheers
  3. D

    UK Commercial Ring Main

    Hi All Need some advice please I have a site meeting this week on an installation on a site that I am responsible for routine maintenace An installation was carried out by a company hired by our client without any input from the company I am employed by I am seeking advice from forum members...
  4. timhoward

    Insulation resistance difference both ends of ring final cct

    Initial fault was RCD tripping, narrowed down to a ring final cct. IR tests on that cct with all loads removed were showing almost zero between neutral and cpc. So I broke the ring apart and eventually found the nail through a cable, and got that all sorted. Now its testing ok in as much as...
  5. D

    Ring circuit readings

    Hi all I am about 2 years retired after being NICEIC registered for over 20 years. An old customer just a little concerned about an EICR just been done on her property by someone else now with lots of N/A everywhere main one being no end to end readings (R1R2) entered for the ring circuits I...
  6. Kuba

    No reading N-N end to end on a ring main

    I’m doing some tests on my board at home in order to prepare it for an upgrade. It’s an old plastic GE board with no rcd protection. Doing continuity of ring final circuit on the main ring. When it comes to end to end tests at the consumer unit I’m getting no reading between neutrals. All good...
  7. S

    Ring Fused Spurs and overload protection (433.1.204)

    Just a quick question from a new qualified sparky. So in 433.1.204 when it says the Iz of the cable must not be less than 20A for a ring final circuit. Does this include a radial fused spur taken off the ring final? If you install it in 2.5mm in trunking then the Iz is immediately down to 20A...
  8. J

    Wagos on Final Ring Circuits

    In a ring if there is a 30A screw terminal junction box in the ring one spur can be taken off this. The j box terminals have three cables in them. Each cable in a Wago (or an in-Sure) has it own connection slot for each wire. This makes a difference. Wagos are mini bus bars. If a 32A four...
  9. H

    Is it advisable to feed a 1,600 Watt Quooker heater from a ring main spur?

    I will soon be installing a 1,600 Watt Quooker hot water heater for which a new 13A socket will be required. A ring main cable passes behind the kitchen cabinet that houses the sink and I have the choice of either inserting a single junction box into the ring and feeding the new socket via a...
  10. J

    Open Ring

    When a open r1 conductor is observed on end to end measurements what is a suitable observation to note on the inspection schedule? Would Co- ordination between conductor and overload device be included because the CCC has now been affected. Thanks
  11. H

    One socket down on ring - test identification

    Hey all, Training to be an electrician and trying to get my head around testing. If a socket was to have no voltage but all other sockets on the ring work, what example reading would I get to show it is in fact a fault on the ring? Would it be as simple as when I do my ‘little rs’ the tester...
  12. F

    Need Help: Mechanical Chime Won't Ring After Transformer Replaced

    Hi. Here's some background info. I am located in the United States, and have had a Nest Hello video doorbell working perfectly for a couple of years. It's powered by a 16V 10va transformer. I also have a mechanical door chime that rings when someone presses the button on the Nest Hello. The...
  13. D

    Insulation Resistance - Low Reading on Ring

    Newbie Testing Question: I am getting a very low IR reading between L&N on a kitchen ring (0.01M). The ring was working fine with no tripping before testing. Can anyone shed any light on what may be causing this low reading? Thanks
  14. O

    3 phase ring main in a tool room. X6 16A sockets

    Hi, I have been tasked with installing 3 phase ring main in a tool room. X6 16A sockets. Each pice if kit will pull no more than 5A. Planning on using 4mm SWA cable protected by a 63A breaker. Tool room dimensions are 7M X 5M. Any problems with this?
  15. T

    4mm ring final circuit

    Evening all Pricing a bungalow that has 300mm insulation in the roof, as im going to be wiring around the corenrs as much as i can and through the middle would you use 4mm on the ring final circuits? I want to use 2.5mm radials for bedrooms and living room but my boss is old school and wants...
  16. C

    Lighting circuit supplied from a 32A ring main socket.

    Hi guys, I am adding a lighting circuit to a Ring main 32 A. Can I just use a 6A MCB type B in a box on DIN rail to supply my lighting. I am using 1.5mm cable after the 6 A MCB. Thanks for your advice!
  17. L

    Ring Video Doorbell Pro installation - wiring advice

    Hello everyone. I have just purchased a Ring Video Doorbell Pro and want to install it as follows as below. For complete disclosure, I am not a qualified electrician but a responsible and experienced DIYer who wouldn't undertake work I felt was dangerous, and always check the regs to make sure...
  18. V

    Ring Final Test - Neutral >19.99kOhms

    Just checking, what I think I already believe. Doing a pre-install test of some outdoor sockets on a ring final. So far, confirmed bonding, incoming polarity, Ze and Pfc and RCD Test on circuit, everything fine and within regs. However on testing Ring Final, Line came out fine (0.7), Neutral...
  19. U

    Need help with Ring door bell

    Qualified electrician here. Need some advice with installing a Ring doorbell as mains powered in oppose to battery powered. I am pretty confident that I’ve sussed it out but I want to make sure before I go ahead and install it, it’s something that I’m not too familiar with. Customer has a...
  20. D

    Doubling over conductors in ring circuit

    Was wondering. I haven't been to college for about 3 or 4 years now and I can't seem to remember what they said about doubling over conductors in a ring circuit. So in a ring circuit using 2.5mm twin and earth cable, is it recommended that you double over the conductors before terminating them...

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