meter tails

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  1. C

    Meter tails at 25mm!

    Hello everybody. Forgive my ignorance but I have read for he past 3 days many posts regarding the meter tails in relation the a consumer unit upgrade. It seems that to today's standards (regulations shall I say) these must be at least 25mmCSA. In fact, in one of the of my many internet print...
  2. C

    What's the solution to long meter tails

    I'm recently qualified but I have a problem that wasn't covered in my course. My customer wants his consumer unit mounted some distance from the meter, which would require 11 meter tails. I haven't asked my DNO yet but expect them to say this is a not allowed. If they say 3 meters max, do I...
  3. M

    Single Insulated Meter Tails

    Hi everyone, I'm new to this place and only doing my training at the moment. The guy I'm working with and me are currently on a job where we are wiring up to a meter. The meter tails are double insulated and are about 300mm long. They are connected into a fused isolator in the meter box. What...
  4. P

    Meter Tails

    Hi, I was hoping someone could set me straight. I am due to install a new shower, fan and pump into a wet room. The existing CU doesn't have any spare ways so I was going to install a shower consumer unit with extra MCBs. I was going to cut into the tails which are 25mm and add a henley...
  5. R

    Extension of meter tails and the rules regarding this

    Hello all, I have just been reading another post regarding a method of extending meter tails in a certain situation and just want to expand my knowledge on the subject. If extending meter tails, I believe some kind of overcurrent protection/isolation method is require if longer then 3 meters...
  6. J

    Extending Meter Tails

    Two part question: Existing 16mm tails are over 6m in length from meter. They are encased in 32mm steel conduit running through a concrete floor and vertically up a block wall right upto the consumer unit. There is no place to install a de-rated switch fuse for isolation or protection. Is it...
  7. willy fixit

    Meter tails?

    I am just wondering what you would do! The CU is at dealing height and the tails are in PVC trunking and go down 1.5m the 90deg left for 400mm and out through a cavity wall to the meter box. The room was originally a garage then converted to a bedroom with the CU (and tails) in a cupboard and...
  8. L

    exposed copper in meter tails. HELP

    We have been pulled on our work for fitting tails into an electric meter which has copper exposed by about 2mm max. Is there any regulations regarding exposed copper and their maximum length in and out of electric meters which are placed in an securely sealed enclosure. I am asking this because...
  9. 3

    Pulling live meter tails from isolater switch in consumer unit

    Hi, could someone advise me of the safest procedure when pulling live meter tails from the isolator switch at the consumer unit. I know about switching off the main switch to take out the load, but will not be cutting the seal and pulling the fuse from the cut-out. On this occasion I need to...
  10. J

    meter tails for TN-S system

    I am currently pricing up a job which only have 16mm2 meter tails which need upgrading to 25mm2 but I've been told the earthing conductor can be 16mm2 but i always thought it had to be 25mm2 can anyone clarify what size is needed!:49:
  11. D

    Meter tails

    Can anyone tell me what size the tails are in the isolation switch to the consumer unit ? What is max length they can be to board if it was to extend and move
  12. P

    Pyro Meter Tails!

    :willy_nilly: Domestic client called me to quote for some sockets and a CU change. Stunned to see the meter connected to the existing fuse box by 2 core pyro using the bare sheath as the earth conductor. Was this common practice in the 70s and did it comply back then or even now? The supply is...
  13. R

    Protecting Meter Tails.

    Hi all, I'm a quite a new tester and still gaining knowledge and experience in the area from my work-mates, but I have a question they struggled to answer and agree on, or provide information in the form of relevant regulations. The question been: We have a few 200A supplies at work in...
  14. B

    Meter Tails - Again!

    Not quiet the same as the other recent threads i believe, ive been to look at a new extension that's been built, the mains is being moved from is current position which is on the current outside wall to the outside wall on the new extension, so the plan is to fit a new consumer unit to supply...
  15. N

    Doubling up meter tails

    Just wondering what the regulations are on doubling up meter tails? My girlfriends dad wants to convert the garage into a 'granny flat', and I plan on doubling up the connections in the meter to take a new 16mm supply to the garage. Opinions?
  16. S

    25mm meter tails

    Hey guys, I'm having a bit of a clear out, and got some meter tails to offer. 25mm double insulated. Double brown and double blue. (i.e not grey) Will do this at £3.50 per meter, and i'll stick them in the post free of charge. cheers
  17. 7

    SWA v meter tails

    Hi Guys, Advice needed on best way to wire a sub CU which is 4.5m away from main CU and meter. The wires will be running under floor boards Options: 2 x 25mm2 meter tails and 1x 16mm2 earth - metal or plastic conduit? or 2 core 25mm2 SWA armoured cable with 16mm2 earth with or without...
  18. M

    main connection to consumer unit or meter tails

    hi all been fitting immersuns for a while now & whilst installing one the other day found that 2.5T/E been placed inside main consumer unit with tails at point of entry to main switch, seen this twice now in last couple of months. have the regs changed that you can feed another isolator from...
  19. P

    External Meter tails Help

    Hi Guys went to look at a friends house he has just bought, at some point the CU has been moved from just behind DNO board to 6 meters away using 10mm T&E as a temp feed loose cliped inside. The Outside cabinet has the meter head in with 25mm tails going to an isolater switch and the temp feed...
  20. M

    Advice on Meter tails in flat

    Hi Just looking for some advice on meter tails in a flat. The setup is 5 flats, i originally wired the meter tails in double insualted singles which was a mistake and am no in the process of rectifying it. Reasoning for calling it a mistake is the cable wont be rcd protected, for the majority...
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