tails

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  1. HappyHippyDad

    SWA or tails?

    I know I have started another thread in the past with an almost identical title but this one is asking different questions! The DNO are moving the meter box and I will need to extend the tails to approx 8m. The present earthing arrangement is TT, I have asked the DNO to change to TN-C-S and...
  2. N

    ELECSA Certification Scheme Regulations Clarification (ELECSA Assesment)

    Hi All, I have my ELECSA assessment in a few weeks time. I was going to install an in-line water heater at a friends house but am now considering a board change at another friends house as this seems to be what they really want to see. I am trying to back up everything I do with regulation...
  3. Soulsurfer

    Hager Cu Number ?

    Hey all has anyone got a code / part number for Hager Design 30 CU 14 way or close to ? I have VML 114 but that's for the Design 10 & can't find any Design 30 boards online for pricing etc... With the clamp for tails etc... Tried some Schneider easy 9's but they're a weird layout like loads...
  4. H

    Upgrade Tails & Bonding?

    Say you were going to change a CCU, and it is an 80A fuse with 16mm tails (10mm earth). Bonding is in place in 6mm. What would you do with regards the tails and bonding? Been thinking about this scenario all morning and it's bugging me now. I'll walk you through my thinking, would appreciate a...
  5. D

    Feeding new 2 way board from 32a MCB

    Hi all, OK, so was sent to a job today for upgrading a kitchen. The existing mains was an older MEM board which the newer Eaton RCBO's wont fit. The only circuits being amended are the kitchen ring main (32 amp) and the lighting circuit (5 amp). The customer would not have been keen on...
    • daveb
    • Thread
    • 2 way 32a board circuit feeding kitchen mcb new tails
    • Replies: 16
    • Forum: UK Electrical Forum
  6. M

    10mm DI tails in henleys

    Hi all. Just to see your opinions on this. Started work on a local authority housing job. Wiring showers in highflats. The spec is 2 way rcd enclosure with 40a mcb and the other way blanked off. We are to use 10mm tails into henleys. 25mm tails in use for cu and 100a main fuse. I say we...
  7. 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
  8. 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)...
  9. 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 ;-)
  10. 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
  11. 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...
  12. 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...
  13. 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...
  14. 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
  15. 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
  16. 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...
  17. 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
  18. 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!
  19. 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...
  20. 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...
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