ring

ring

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  1. N

    Extending ring final - any potential gotchas?

    Hello again, been a while. I'm wanting to extend a ring final and I'm at the 1st fix stage as part of some building work to open up our ground floor. Following demolition, a 2 gang socket is redundant in place, so my plan is to extend the ring and add 2 further 2 gang sockets. To join into...
  2. richje100

    Quick Ring Spotlight pro hardwire question

    Looking at getting their hardwire kit, I'm assuming ok to use 3core cable to a 3pin plug instead of going directly to consumer unit or wiring to back of plug socketas seen in many youtube videos? The latter 2 I'd obviously get an electrician in but I'm capable of wiring a 3pin plug. Thanks
  3. 154988

    UK Local RCBO protecting ring final alteration.

    Hi I completed a job recently where a hotel reception had a new desk fitted. The old desk dado was supplied via an RCD spur from the existing ring. This ring is fed from one of the very old Merlin single phase boards which I’ve been told you cannot retrofit Schneider ic60n RCBO’s in. I had to...
  4. F

    Moving a socket on a ring ciruit

    I want to move a socket on a ring circuit approx 5-6 feet, fitted cupboards coming in will cover it otherwise. It has 2 2.5 mm cables coming into it. In the cellar these 2 cables go into a round 32A connection box with screw terminals and 4 cables in it, the ring in, ring out and the 2 socket...
  5. J

    Extending ring

    Hi guys, I’ve just been to a customers house. It’s an old house which has a few radial and ring circuits for sockets. They want 4 extra sockets to be installed. The ring circuit is feeding the whole house (not kitchen) would it be ok to tap into the ring circuit feeding the house and add the 4...
  6. S

    Unbalanced final ring

    I have seen a final ring that had the heavy appliances on one leg (L1). Drawing 19.5 amps in total, one leg (L1) was drawing 82% of the 19.5 amps of current. If the ring went up to 32 amps the 2.5mm cable would in theory be just safe enough under the 27 amp maximum. My question is, if 32 amps...
  7. R

    UK Ring main or radial

    I am moving to a bungalow which I imagine will need a rewire. I've spoken to a local electrician and when I was asking if there would be a ring main for the kitchen and another for the two bedrooms and lounge he told me that ring mains are old hat saying that radial circuits are preferred. For...
  8. C

    Emergency stop buttons on workshop ring main.

    Please forgive terminology. This is a DIY question. Domestic Workshop in new (new to us - small charity) premises that has its own RCD consumer unit with a ring main circuit and a lighting circuit. Has a few single-phase bench tools, saws, pillar drill etc. It's an odd one, it really is...
  9. J

    UK Thermal constraints on a ring Electrical design question

    Hi all, I am working on my revision for the 2396 exam and wanted to see if someone brainier than me could advise, when completing the thermal constraints equation t=(k²*s²)/I² on a ring circuit do you input the ring for s² as (2*2.5)². Example1 : Fault current 211A t= (115² * 2.5²)/ 211²...
  10. T

    Working out the length of a ring finals circuit

    r1: 1.15 r2: 1.80 rn: 1.15 r1r2 0.69 To work out the length of a ring in 2.5mm twin would this be correct 0.69/(19.51/1000) = 35m or would you use the r1r2 before you divide it by 4?
  11. B

    Installing an energy meter on a ring main

    Hi guys, I have a client who wants to install meters on every power circuit in order to monitor energy consumption etc. Just wondering if there is a specific method to wire up such a configuration on ring mains? As far as I can tell, I'd need to come out of the RCBO to the meter, and then have...
  12. P

    UK Re using a 10mm cable to provide a new ring

    I would like to reuse a 10mm cable to provide a ring circuit in an area. The cable is currently used for an electric shower, still connected at present and is fine. When the shower is removed I intended to replace the 40A breaker with a 32A, slightly reroute the cable and add a ring to then...
  13. Magw1tch

    Ring spotlight on old house help

    Hi all, I’ve purchased a Ring Spotlight camera and decided to remove the old spotlight that’s currently installed on the house we recently purchased. After taking down the old spotlight, I found four wires: black, brown, unsheathed earth, and grey. However, the Ring only has the usual three...
  14. W

    Ring flood light conduit adapter box

    Hi all, Looking for recomendations for a junction box adapater for a Ring flood light to 20mm conduit, black preferably. Thanks in advance.
  15. M

    Extending ring mains on top of plaster

    Essentially I have a "normal" socket in a ring mains, i.e. one 2.5mm T&E going in and one 2.5mm T&E going out. I am looking to simply add two more sockets. Easy enough from a wiring perspective. But my question relates to the location of the wiring itself. The sockets will be cut into a new...
  16. N

    RING MAIN CONFUSION

    Hi guys. Having a weird problem in a house that has suddenly happened. One half of the ring main has 240ish volts (fluctuates of course), and the other half is dropping to 210v - This is when I test L-N and L-E…. N-E shows nothing. Whenever I plug a table lamp in the the faulty side of the...
  17. PENKETH

    Ring camera. Taking a feed

    Hi. Has anyone ever taking a feed from an outside light to use as a spur to fit an outside plug to plug in a plug in ring camera. The only feed nearby to where the camera needs to go is near to an outside light cable. ? Thanks
  18. D

    A spur off a ring with FCU (UK)

    Hi guys, newbie posting! Does the following sound ok... Existing circuit: SOCKET on a ring -> spur to SWITCHED 3A FCU -> SWITCH -> hardwired FAN Proposed: A new UNSWITCHED 13A FCU will be inserted between the SOCKET on a ring and the SWITCHED 3A FCU (which protects the FAN to 3A). Then that...
  19. C

    Help with spurs from ring main

    Good evening. Currently sorting out my girlfriend’s flat for rent. I’ve found all sorts of bad electrical work. Can anyone advise if this is an acceptable way of connecting 2 spurs to the ring main? It will all be connected in a double back box behind a blank plate on a wall using 32amp rated...
  20. T

    Ring wired doorbells (again!)

    I’m trying to install my Ring doorbell (2nd gen) and I’ve discovered that the transformer feeding my Freidland isn’t producing any power. I suspect that I connected the jumper lead between the wrong wires (thanks to Ring’s really confusing instruction!) so I now need to replace it. I don’t want...

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