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tails

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  1. T

    Incoming tails problem, loss of power in apartment

    Looking for some help with this one. Had a call to an apartment today, reporting a loss of power. Got to the job and sure enough nothing on the incoming tails. Went to the meter cupboard where we have a 3 phase incomer, going to banks of BS5419 100a isolators, then to the meter, then to a DP...
  2. newfutile

    25 mm tails as a CNE conductor

    During an EICR i have found from the ryefield to each cut out wired in 25mm tails . one of which is used a CNE conductor which is then split in the cut out housing to form a usual PME supply TNC-S. i guess this was done by DNO or BNO . is this safe and acceptable ?
  3. B

    Protecting buried meter tails

    Hi, rhis has probably been done to death, but I couldn't find much on a search... Doing a garage conversion. CU recently replaced at ceilling height. New 25mm tails + earth currently run vertically up wall in 50x50 maxi trunking. Was hoping we'd be ok to leave and just plasterboard up to sides...
  4. R

    New CU and meter tails etc

    Hi I don't know if I should ask it here or the main electricians forum. It's about CU change and the work around it and the CU change will be done by a proper registered electrician. I will try to upload the pictures so you can see what I am talking about. I took two quotations. One just ask...
  5. G

    Which tails for Garo / Matt-e

    Hi all, Hope you are all well and all is good. Was just wondering which tails you guys use to go from a Henley block to a Garo / Matt-e EV unit. I'm fed up of fighting with them, are there any super flexible ones and what size do you tend to use? Also which cable glands do you find the...
  6. T

    Tri rated meter tails or flexible meter tails

    Hi everyone, Bought some Flexi meter tailes from a supplier today , Am I going crazy or that I marked up incorrect . The Flexi tiles I’m used to has 19 strands of copper or similar, opposed to the normal six or seven. The ones I’ve got today, Looked like finally stranded wire, at least 200...
  7. T

    Running meter tails outside in trunking

    Hi everyone, hope you’re all doing well. Got a job starting next week for a rewire of a studio flat, currently they have 10 mm T&E as metre tails , So definitely got to be an upgrade. The existing meter box is situated outside ( under cover ) the bathroom wall , On the right hand side of the...
  8. A

    Meter tails over 3m

    Hi Guys Just some advice required. I understand meter tails ideally at 3m from meter but is it possible to have meter tails 10-15m from the meter? Came across a job where there's no real option but to have the consumer unit 10-15m from meter cut out. If it is possible is additional...
  9. Kuba

    Meter tails size

    What is the size of these meter tails? Are L&N going to the meter 32mm or 25mm and coming out are 25mm or 16mm? Permitiers are roughly 40mm of larger one and 35mm of smaller one. Thanks for your help ?
  10. captaincaveman

    25mm SWA for tails chased in wall

    Hiya. I suspect I already know the answer to this but I would welcome any opinion from anyone who's tried it... Moving a domestic consumer unit 2M up a wall. Ideally I don't want to use trunking. Debating whether I could get away with 25mm SWA chased into the wall but I don't recall using 25mm...
  11. newfutile

    10mm Tails size

    During a recent EICR I have found 10 mm supply to the flat This is fed from a Locked ryefield DB though a meter then a double pole 100 amp Isolator , the outlet from the isolator is the 10mm 3 core possibly hightuff cable This is over sleeved into the isolator. My question is would the...
  12. A

    Meter tails >3 metres in length

    Hi Has anybody ever found where this "rule has come from"? In the NAPIT codebreakers book it quotes "ESQCR regs" but it is not actually written in there. If it is a DNO rule then it comes under their regs (ESQCR), but as I said, it is not in there....
  13. E

    RCD protection on these tails and why 2 isolators?

    Hi all I have a few questions about that video. 1. I don't understand why there are two isolators on the tails between the meter and the CU. One is fused and one isn't, so what's the point in the one that isn't? 2. Why would this 'require RCD protection' like the guy in the video says? I...
  14. BigSpark

    1.5mm meter tails

    Evening All, I attended a job today to disconnect an Alarm System at a ground floor flat. On taking the consumer unit front off, discovered the incoming neutral tail to be 11 x 1.5mm single core cables which needless to say aren't all tight and secure in terminals. The incoming line looks to be...
  15. D

    Fused main switch - tails over 3m

    A quick question regarding tails and the 3m length. I need to move a consumer unit, however it will be around 5m from the DNO cutout. Is it acceptable to install a REC2 isolator at the meter cabinet, 3m tail length to an accessible position and then a fused main switch, followed by around 2m of...
  16. kropaske

    Cloth covered tails advice

    Been asked to price CU change but i am concern about tails between cut out and meter. I'ts top floor maisonette and main cut out is in the cupboard downstairs by the front door. From there cloth covered tails run in metal conduit(which is used as main earth) approx 10 meters to the cupboard in...
  17. E

    Meter tails in ceiling ?

    Hi all, I am moving a CU from next to the meter to about 1.5 meters away on an adjacent wall. Am I OK to run the meter tails through the ceiling void between the joists (plasterboard ceiling) to the new CU position or is a case of installing an isolator and 25mm swa? Many thanks
  18. Marcus Vaughan

    Coding question - Twin and Earth Tails

    As above really. First time I have seen this but its basically 16mm twin and earth connected straight into the outgoing side of the meter, and into the consumer unit. Quality. Couldn't quite get a picture of the external MET but can confirm an additional cable has been added to bring the size of...
  19. D

    25mm tails why..?

    Have you ever come across a melted 16mm tail ? Me , no never ... why are tails expected to be 25mm , seems utter overkill imo thoughts
  20. Weezy

    UK RCD protection to Meter Tails?

    About 20Meters of 25mm meter tails are routed though the floor boards feeding a sub main. To protect the tails under the floor i was going to fit a Mini Metal Unit with RCD protection Fused at 50A at the mains position, Just wanted to check to ensure it’s a 30ma ‘S Type’ RCD i need? As the c.u...

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