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tails

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  1. rolyberkin

    Double batten school type flourescent replacement

    Any suggestions as to a good looking (in a modern building) retrofit for a double flourescent light fitting, the current lights are similar to a Knightsbridge 2 as below. Have converted some of the below to LED which I think is the most cost effective solution but interested if anyone has...
  2. haptism

    16mm T&E tails on 100amp fuse

    Did a job earlier in a new build, part of a 5 year old new build estate in the darkest depths of kent. Anyhow opened up CU and saw 16mm tails so assumed would be on 80a fuse as there not huge demand. Then outside to check service head and main fuse is labelled 100a ?, the tails are 16mm t&e. I...
  3. P

    C/U Tails in wall - protection required

    The existing C/U is at almost ceiling height in a room and the old tails are plastered in the wall below it before going outside to the meter cupboard (they have no protection and are just covered in plaster). The tails have to be upgraded when the C/U is replaced, so I could take the option of...
  4. J

    commercial meter tails

    bit of reassurance on coding I have 3 phase 3x150a (checked with supplier) incomer feeding meter in 50mm tails- 5omm tails to 3x blocks from meter from each block tails to various isolators all not exceeding 1m in the same cupboard, the highest fused isolator at 60a being fed with 16mm and...
  5. P

    E7 boards and meter tails

    ok a couple of questions ill keep it simple its been ages since I had anything to do with E7, is an E7 board supplying storage heaters still ok on a non rcd board ie classed as fixed equip ? who is responsible for the tails? from head to meter and meter to board thanks
  6. A

    Residual Current on Mains Tails - Installation Disconnected.

    I bought a new MFT1710 a couple of weeks ago and got a free clamp meter with it. (UNI-T UT210B, 200A Mini Clamp Meter). I finally got it out the box today and thought I'd try it on my mains tails to see if/how it's working. Surprisingly, with the consumer unit main-switch off, and the main...
  7. ringer

    Switch fuse for tails

    New position of replacement Consumer Unit for my customer is now going to be 7m away from the supply head. DNO fuse is 100A BS1361 and this is a large house so I still need a (potential) 100A supply. I believe that I am supposed to fit a switch fuse if tails are over 3m long. Firstly, am unclear...
  8. S

    Connecting tails to SWA

    Hi, any suggestions for connecting the tails from the metering equipment within the meter cabinet to armoured cable. (Domestic property). I have seen a clamp used before by a new house builder, but I have been unable to source one. Cheers
  9. HappyHippyDad

    Tails (or rather T&E) behind skirting.

    Hello all. About to do a CU change and from the pre works visit it looks like the 16mm T&E from the meter is run 3m to the CU behind the skirting board. No mechanical protection seen. TNS. Ze = 0.28ohms. This clearly isn't acceptable and I shall advise getting it changed but my question is...
  10. gazdkw82

    New mains tails for C/U from separate DB

    Had to install some new mains tails for a small C/U replacement. The new mains tails come off a 3phase enclosure bus bar system. It's pretty Jurassic by the look of it! I understand the testing process for the new board and I understand how to test the tails, however, I'm not sure on how to...
  11. the pict

    Nice soft bendy tails

    Why cant I get the same pliable cable for meter tails that SSE uses the stuff I get is as stiff as rebar whereas theirs is really bendy and easy to form if any one knows why this is let me know P
  12. mattg4321

    Meter tails in cavity

    Ok own up who's done this? I try my hardest to never do this but have, on very rare occasion installed meter tails in a cavity as the lesser of evils. Would be interesting to hear real world thoughts on this and potential work arounds so you don't have to. I know someone on here posted a while...
  13. S

    16mm SWA tails maybe 9 mtrs from isolator on a 100a supply, and other concerns - EICR opinions

    This has come up many times before and after a couple of hours reading previous posts I'm no closer to deciding on a code, note or nothing at all. BS7671 allows 16mm tails on 100A fuse if demand is less than the cables CCC, I have 16mm at 94amps and the max demand is 60a. From a previous post...
  14. haptism

    Meter tails over 3 meters

    Hello, anyone know when the regs recommending a switch fuse for meter tails greater than 3m long was introduced ? On older installations (about 20 years ago) was a switch fuse required on tails over 3m ? Thanks
  15. G

    Channel (capping) for tails.

    HI all, got some tails to run down a wall, i can and will run with 50mm depth but would also like some channel to protect aswell, seen some on another job, bloke said it was tophat channel or something like that said it was from eddy's. done a google search but cant find it, any ideas? cheers...
  16. Msitekkie

    SWA For meter tails?

    I need to upgrade my meter tails to 25mm. The existing tails pass along under the pebble dash in plastic conduit (which would be too small), then apparently at an angle through the porch structure (unprotected) then turn sideways into a void & up the void to CU. I have seen other posts where...
  17. 8

    Max length of meter tails

    Ive been asked to look at the electrical installation at a large 5 bed property with an attached annexe that the owners are converting into a 2 bed holiday let. There's one supply cable that comes into the annexe for the entire property . This is currently routed via a single meter to a CU . 2...
  18. D

    Distribution board tails

    Just a quickie, if the cut out fuse and head is rated at 63amp can you still use 16mm tails for a 6way board. The reason for asking is, I have to change a board in a old flush internal metal cabinet and there is next to no room inside due to the meter and cut out taking up most of the space, its...
  19. T

    Consumer's Tails > 3 metres - RCD or not RCD

    I have been going over this for some time, and every time I think I have it sorted I read something else which sows doubt in my mind again! TT system. CU to be replaced and moved to new location as not enough room where currently sited. New location will result in tails being approx 5m in...
  20. G

    Two pairs of tails from meter to two DB's - what do I record in Section L?

    Evening all, been a long time since I posted on here but I could use some advice if there's any going! I've been asked to provide an EICR for a small building we look after for our client under contract. We are all done physically on site, but I've hit a snag filling out the report itself, in...

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