25mm

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  1. R

    25mm swa armour for cpc

    Hi all, Just planning a sub main to an outbuilding . It will be 80 metre run, buried direct on a 63amp fuse . So I am thinking of running 25mm swa but just been doing my calcs on whether I can use armour as Cpc. The outbuilding is going to be TT so no need of a bonding conductor on the...
  2. TheArcMan

    Hydraulic crimping of 25mm 19 strand cables in flat crimp pins?

    Evening chaps. What's the rules on this? I can't specifically see anything relative to the 19 stranded cables. My boss says he won't crimp in consumer units, avoid it all costs, he rather strip a whole house down or add additional boxes than use a single crimp inside a CU. Fair play to him...
  3. B

    I need a 25mm plain to 20mm screwed conduit adapter.

    Have an isolator switch with 20mm screwed entries into the bottom. Have existing 25mm conduit I want to run into it. Ideally I need a simple adapter, 25mm plain to 20mm screwed conduit adapter. Does this exist cause I can't google one anywhere.
    • BradleyP
    • Thread
    • 25mm adapter conduit plain
    • Replies: 7
    • Forum: Australia
  4. timhoward

    Quinetic Grid options / 25mm box?

    I'm just wondering if anyone knows whether any/all of the Quinetic grid switch modules fit in a 25mm back box? It "looks" just about ok. But if it definitely doesn't it would be nice to know!
  5. R

    Connect 25mm Adaptaflex to Galv Conduit

    I’m running a some Adaptaflex 25mm underground and I’m just wondering where the top of the Adaptaflex meets the Pavement how could I join that on to some 25mm Galv Conduit?
  6. laurence1995

    Can you fit 25mm conduit to a 20mm back box?

    Hello, Im really new to the world of conduit. I have some 25mm pvc conduit and cant for the life of me seem to fit back boxes with 25mm knockouts. Is there an adapter that fits a 25mm conduit in to a 20mm back box? Can i cut a 25mm hole in the back box? Do the 20mm male adapters allow for 25mm...
  7. P

    Cable pulling question 25mm 4C in 63/50mm duct

    When putting in some duct for fibre broadband we also put in a few lengths of 63/50mm twinwall duct "just in case" we needed that, as we knew of a few possible use. At the time the biggest load was expected to be of the order of 32A so 4C 6mm ample and no size issue. However we are now...
  8. M

    Fit flush mounted double socket to 25mm mdf panel.

    I'm a newcomer. Only a DIYer but I have done a lot of general household wiring in the past. My daughter wants an extra double plug socket flush fitted to one side of a 25mm mdf panel. I can access the other side of the panel and run an external spur cable from an existing socket. I would like to...
  9. T

    New meter tails running in 2 core 25mm swa and 16mm single earth

    Hi everyone, i might be having to run new meter tails from meter box to consumer unit which is just under 3m run, i have used 25mm 3 core before and its hard to work with especially through joists. I was thinking about 2 core 25mm swa and a seperate 16mm earth to make life easier but then came...
    • tomodo
    • Thread
    • 2 core 25mm core earth meter meter tails new running single swa tails
    • Replies: 6
    • Forum: UK Electrical Forum
  10. K

    Mix of 16mm and 25mm Meter Tails

    Hi, Just had a new Smart Meter fitted yesterday along with isolator. The chaps installing the SMART meter used 16mm tails from the main DNO fuse cut out (containing 80 amp fuse) to the meter, but then used 25mm tails from the meter to the newly installed isolator (which they also installed). I...
  11. LewisM

    5x 1.5mm - 25mm conduit

    Hi can you get 5 *1.5mm lsf twin and earth cables through a straight piece of 25mm with a bush and coupler?
  12. A

    Is 25mm 3 core swa good for earth and Bonding

    So me and a colleague were having a discussion about using 25mm 3 core swa as a live, neutral, earth and a Bonding conductor when relocating the position of the consumer unit, I suggested that using a 25mm 4 core as I can't see the 25mm earth being big enough for 16mm earth and 10mm bonding with...
  13. T

    120mm to 25mm connection

    Hi, I have a domestic job coming up that requires a 100A supply but it's 260mts from where the metered supply will be installed. 120mm 3 core supply SWA cable (260m long, 120mm 3 core due to voltage drop) My problem is, how do I connect the 25mm meter tails to the 120mm SWA cable at the meter...
  14. Gavin John Hyde

    20mm hole 25mm gland

    I am looking for some sensibly priced thread convertors so that I can screw my 25mm compression glands to the convertor/adaptor to then use the existing 20mm holes. On Andersen chargers there is a 20mm hole for cable entry and its a very tight squeeze to get a drill or cone drill bit in to...
  15. J

    25mm back box - Schneider Ultimate Slim Range

    I got into a discussion with a friend - he came around to see what I had fitted. I fitted a mix of sockets - BG and MK (different up and downstairs) - he wants to replace his existing sockets with Schneider Ultimate Slim White Range - I think he has standard 25mm boxes. I said he couldn't use...
  16. J

    25mm to 16mm in-line crimp

    Anyone know if it is possible to buy 25mm to 16mm in-line crimps? This would be so useful taking 25mm SWA down to 16mm for CU termination without the need to do 2 x lugs and bolt them together.
  17. J

    Double insulated flexible 25mm (max amps.)

    Hi guys can anyone help, few of the sparks over here in jersey are using 25mm double insulated flexible (15-16 strands) at supply intake for meters, 100Amp services single phase. My question is do you think the current carrying capacity will be higher on this type of cable than solid stranded...
  18. captaincaveman

    25mm SWA for tails chased in wall

    Hiya. I suspect I already know the answer to this but I would welcome any opinion from anyone who's tried it... Moving a domestic consumer unit 2M up a wall. Ideally I don't want to use trunking. Debating whether I could get away with 25mm SWA chased into the wall but I don't recall using 25mm...
  19. D

    25mm tails why..?

    Have you ever come across a melted 16mm tail ? Me , no never ... why are tails expected to be 25mm , seems utter overkill imo thoughts
    • Dustydazzler
    • Thread
    • 25mm change question tails
    • Replies: 30
    • Forum: UK Electrical Forum
  20. C

    25mm Meter Tails

    Afternoon, Quick question. I’ve been to a job earlier to find a fault, but this connection was at the main switch. The first set of tails come from the meter and the second set are down to another duel RCD board. Looks doggers. Checked the Schneider manufacturing instructions and I was...
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