tails | Page 10

tails

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  1. 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...
  2. 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...
  3. 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...
  4. P

    Twin & Earth as meter tails

    I have recently joined NICEIC. I have done a few jobs since but got asked to quote to replace a consumer unit. Whilst 'quoting' and doing a inspection of the installation. Bonding, CPC in lighting etc. I took a few photos (as I have crap memory). The consumer unit is being supplied via what...
  5. C

    Domestic Zs 5ohms! pme using electrode

    Hi. I have a family member who requires a new CU. She still has a rewireable fuse box and still has an ELCB. So no RCD's. Her install is a deathtrap waiting to happen from an earth faulr point of view! I replaced a socket on wall today and measured Zs. It was 5Ohms!!!! Shocking. I checked...
  6. M

    Upstairs flat tails running through wall issue?

    Have been doing a Re-wire on a flat. However have come across bit of a problem I could do with a second opinion on. Basically the tails (16mm twin) going to the 2 floors above are going through the floor boards, then straight up the middle of the bloody bathroom wall :whatchutalkingabout No...
  7. HappyHippyDad

    16mm or 25mm tails plus when to install switch fuse?

    Afternoon all.. A couple of questions.. I shall be installing an 80A switch fuse after the cut out as both the supply and the CU are being moved and they will be greater than 3m apart. There will be approx 2m of tails on the outside wall in conduit and the remainder (approx 8m) will be between...
  8. D

    Short circuits from tails to meatal cased CU's

    Following on from http://www.electriciansforums.co.uk/electrical-forum-general-electrical-forum/106222-watch-out-im-fitting-plastic-db.html I wonder how many of us have ever seen a fault from tails to a metal cased CU, I haven't in 35 years. Whether a TT and a live case....or a TN and a real...
  9. L

    Watch out I'm fitting a plastic DB in domestic.....

    It's a TT so I reckon I'll sleep better at night knowing that if there was a fault to earth upstream of the RCDs the customer wouldn't get a brutal/possibly fatal belt. Just going to put it in the departures section of cert and discuss it at my annual inspection with my assessor. I know I have...
  10. N

    terminating tt tails

    Hello what is the (proper) way to terminate SWA tails into amendment 3 metal consumer unit, & its s type time delay protection at meter cabinet on a TT system. Fair size new build so C.U is about 12 mtrs from cabinet. (Excuse if I've left any details out.).
  11. HappyHippyDad

    SWA, T&E or tails??

    Evening all.. I am currently doing my first full rewire. The customer is having the wall knocked down with the meter/cutout and CU on it. the plan was to move the CU under the stairs and get DNO to move the supply to the same place. They have said they cannot move the cutout to where the CU...

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