tails

  1. S

    10mm meter tails 60amp fuse 6mm bond

    Afternoon all been a while since I've posted. at today's job I noticed 10mm meter tails with 6mm bonding and although my first thoughts were tails should be min 16mm and bonding 10mm so at the risk of sounding stupid I couldn't find the exact reason why this was wrong as the 10mm would take...
    • simpson93
    • Thread
    • 10mm 6mm cable cables double fuse insulated insulation meter meter tails tails
    • Replies: 32
    • Forum: UK Electrical Forum
  2. J

    Rcd for tails?

    Up coming job.... fb currently in downstairs hall in a little cupboard- along with the head and meter. job is a rewire anyways- but customer wants new fb moved into garage- on other side of wall to where it is at the minute. (Directly on other side of wall- litterally just popping through wall)...
  3. M

    Tails entry

    While on new boards what's your preferred entry for mains tails and earth. I normally use a 32mm grommet bottom only or a comp glan on top. Cant see the point in the metal comp glans just think threr cashing in. Tin hat on ;-)
  4. S

    EICR, question regarding tails and fan isolator

    Good afternoon Guys, I am writing up the certs for 3 flats I recently tested for an EICR and wanted to get some opinions on my views. Back ground info; they were wired in 2000. Certificates present altho a bit incomplete. Test results there, just missing dates, cert number things like that...
    • S P
    • Thread
    • eicr fan isolator meter question regarding satisfactory tails
    • Replies: 6
    • Forum: UK Electrical Forum
  5. T

    When is supplementary bonding not required ? Tails not on rcd...

    Hi all, im installing a new consumer unit in a bungalow , customer wanted it moving from bathroom to hallway. The system is a tns system and the meter tails are around 7 meters long, now because of this i have installed a 80 amp switch fuse inside the meter box and the tails run from this up the...
  6. rolyberkin

    Changing a TT system board - Best Practice

    Advice please I have been reading through the regs re a TT system consumer unit change and the onsite guide suggests at 2.2.6 a-c that consideration should be given to the board being either be class 2 board or class 1 with RCBO's or a split board with an S Type main RCD as isolator. The...
  7. T

    Running tails through loft space

    Hi just installed new tails and moved consumer unit, cables are about 7 metres long they run inside a cavity from meter and i have then clipped on top of loft joists , on one bit though there is a heating pipe so i have gone under and clipped to side of joist.... i realise cables have to be 50...
  8. M

    Siemens install fuses

    Hi All project nearing completion block flats, installed Main switch tails for connection only small 200Amp 3 phase. all ready Ryefield installed meter boards all ready. head on up to trunking. tails installed 95mm TRI /BI rated Siemens arrive on site ah can't connect those tails anymore...
    • marc8
    • Thread
    • connect fuse fuses install installed ready siemens tails
    • Replies: 2
    • Forum: UK Electrical Forum
  9. S

    Connecting tails to SWA

    Hi, Just a quick question, I have only ever joined tails to SWA with a switched fuse. I need to join the tails to SWA without a switched fuse, as it is only a short distance & space is limited. Any suggestions Cheers
  10. HappyHippyDad

    Any good ideas for holding the tails (clips etc) as they enter the main switch in CU?

    I shall be changing a CU soon (same thread as just started!) and it is a TT. I'll be using a wiska sprint gland to hold the tails (25mm) and main earth in place as they enter the CU (from the bottom) but I dont really see how this is going to help with respect to the possibility (however...
  11. P

    Requirement to Change Tails?

    Met a (proper so he said) electrician in my local Denmans. In a discussion about changing a CU he said I needed to put new tails in. I said 'wot even if they're the correct size and in good condition?' He says yes! That's new to me! Anyone? Pete
    • Piratepete
    • Thread
    • change requirement tails
    • Replies: 29
    • Forum: UK Electrical Forum
  12. HappyHippyDad

    Which unit/enclosure to house upfront RCD?

    Evening.. Just looking at a CU change on a TT. I'd like to put a 100mA S type RCD before the CU. Is a 2 way (4 spaces) amd 3 metal board my only option? Its a bit big!
  13. J

    25mm tails maintenance free joint

    Do they exist, I have just inspected a job and seen 25mm tails extended under floor boards in standard Henley 25mm tails block, can you get 25mm maintenance free joints? It would this have to be made accessible eg hatch or something Ect? Which I still feel is poor as I've seen them carpeted over...
  14. a-z electrics

    mains tails via swa

    What advice can you give concerning running a 3 metre run of mains tails under ground from the meter head to a new CU in a newbuild property (barn conversion)? and what size would you say? I'm assuming at this stage the earthing will be tncs. The requirement is 100A and I see in the TLC...
  15. A

    Meter Tails

    Hi Everyone can the meter tails be buried in the wall and if so do they need to be protected by a RCD or not. The consumer unit has 30ma RCBO's . Can we put 100ma RCD as a Isolator. we were thinking of putting a type C RCD to protect the tails. thank you
  16. Soulsurfer

    D.I. tails entry to c/u.

    Hey all, regarding the entry of d.i. meter tails into a consumer unit I was called to a recent job to quote for a few alterations and people have just moved in, informed me just before they bought that new consumer unit had been fitted etc.. all looks o.k. but meter tails and main earth have...
  17. S

    SWA as tails

    Hi, Thoughts please. The service supply has been moved, about 50m, and is now in a steel box with cut-out, meter and electrical supply company isolator (they always fit isolators in the NW). My distribution board is 20m away so have fitted a second box, albeit round a corner and less than 2m...
  18. stidge

    NEW TAils or Not

    Hi All, Know this has been mentioned 1000s of times but here goes. Customer would like NEW CU. Currently 16mm T/E 8m Run from Meter to CU.No Gas Bond,6mm water I would like to fit 60a fused isolator , 10mm earths to gas and water and re use T/E. Think the CPC on T/E is 6 or 10mm. The Max demand...
  19. Soulsurfer

    Domestic meter tail isolator

    Hey all, I have a few installs coming up where I need to upgrade cu's and want to install isolators between DNO service head and new consumer units. I have only ever fitted before to twin supply houses on off peak storage heating and was under the impression that a straight enclosure with a...
  20. A

    Mains

    Just wondering if any can advise. I am looking for time / current graph for bs1362 typeII 60a as I have a 10mm main earth and wish to use adiabatic as is a TNS to ensure the 10mm is sufficient with 16mm tails 10mm main earth and 10mm main bond. Also a Henley block is installed supplying a small...
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