and earth

  1. J

    UK DIY 2-plate 2-way Garage Lighting, feed through 3 core and earth?

    Hello, Would welcome thoughts/advice on wiring query below. Apologies for a possibly excessive amount of detail, wanted to provide as much info to aid understanding. I will post photos, can't see the button to upload them immediately. Context: Damp 2x car garage - insulation underway to...
  2. K

    generator wiring and earth

    I have an old Electric Construction generator. There are no markings for the wiring. Putting a meter over the 2 terminals i get 240 volts but connecting the earth comes up with an error connecting to the garage. There is 110 volts between neutral and earth. Should the neutral be connected to...
  3. HappyHippyDad

    Are singles the same as the conductors within twin and earth, just with the grey outer removed?

    I vaguely remember a thread in which someone said they had removed the grey outer on twin and earth, so they could run the line and neutral as singles in conduit. I also vaguely remember Davesparks (missed member!) explaining why this wasn't OK, but I can't remember why? Are singles (designed...
  4. holmestm

    Should the armour of an SWA carrying twin and earth cables also be earthed (with banjos etc)

    I have an existing installation extended in 2015. The existing cable had 3 cores and used the armour as earth, with connections soldered onto the SWA gland where required (e.g. in external sockets). At the point the extension was added the contractor took the armoured earth and connected it to...
    • holmestm
    • Thread
    • and earth armour cables carrying earth earthed regulations swa twin twin and earth
    • Replies: 10
    • Forum: DIY Electrical Advice
  5. ak247fox

    Can i use 6mm twin and earth with wago 5 way to wire up a double plug

    I had to replace a surface plug socket box after the plasterer destroyed the old stuff. It has black, red and earth wire, 3 of each and look quite thick (the earth wire looks like it should be used for barb wire abd isn't covered) Sticking all of that into a new faceplate isn't working so well...
  6. newfutile

    Cable reel size twin and earth

    Does anyone know the size (diameter) of a reel of 2.5 twin and cpc cable ? i want to put a pole in the van but I don’t have any reels with me here.
  7. Mark Wright

    Twin and Earth American style

    Can anyone tell me more about Twin and Earth American style? What's it's full name? NM? Is it always flat? Do you add a sheath to the ground/earth cable? Thanks 😊
  8. R

    What to do with a temporary excess of 10mm twin and earth in the loft

    The ongoing kitchen refit..... I have chased and fitted 10mm T&E from the cooker outlet to the isolator switch and up into the loft. I have 4 metres of T&E in the loft temporary connected to the original 6mm cooker circuit via a 40amp junction box screwed into the rafter, the 6mm then goes into...
  9. K

    Terminating a live twin and earth inside a wall.

    Hi guys I'm looking for some advice. I have recently removed a wall socket that we no longer need, and have wrapped the individual Live, Earth and Neutral wires in electrician's insulating tape, and then wrapped the end of the whole cable in insulating tape, before cementing it back into the...
  10. T

    Induced voltage on twin and earth cable

    Why would I be getting 94v between cpc of twin and earth terminal at DB? Connected into rcbo with the other end 3 cores separated, nothing connected.
  11. A

    3 core and earth on a light fitting

    Good evening. My son in law has moved into a 5 year old house with a conservatory. There is a 3 core and earth lighting cable poked through from the house into the conservatory which has never been attached to a light fitting. There is only ONE switch serving this light NOT two. My question is...
  12. B

    Safe zones and Earth cables

    I've been told I need to upgrade the main earth bonding to 16mm. The consumer unit is on the wall adjacent to the externally mounted incoming supply box - I basically need to run the earth wire down the corner about 1m and then across the side wall about 30cm then through and into the back of...
  13. M

    twin and earth cabling size for commercial buildings

    Hi, The current carrying capacity tables in the BS 7671 for twin and earth cables are only for buildings that have thermal insulation. I'm working on a commercial building, the inner walls do not have thermal insulation, what can i use for the current carrying capacity of the cables. The...
  14. A

    Correctly closing off a dead twin and earth cable in a loft.

    Correctly closing off a dead twin and earth cable in a loft. My old house used to have radial circuits serving night storage heaters. Those radials came from a dedicated consumer unit in the garage which has now been removed and all cables from it are now dead. Each night storage heater was...
  15. R

    Pulling Twin and Earth through flexi conduit

    Tried pulling some 2.5mm T&E through 10m of 20mm flexi conduit the other day with a draw tape, although I did succeed it was a bit of a wrestle. Does anyone have any clever tricks to make this easier? Perrhaps some cable lube or some other smart idea. Thanks in advance.
    • r1986b
    • Thread
    • and earth conduit earth pulling through twin twin and earth
    • Replies: 14
    • Forum: UK Electrical Forum
  16. D

    twin and earth between block wall and dot dab - cable channels needed?

    Hi all, Our sparky has carried out first fix, twin and earth cables clipped to the block walls of our extension routed to each back box. His leaving instruction was to dot n dab the plasterboard over the cables - but he has laid them without plastic or steel cable channels and in such a manner...
    • Deuce
    • Thread
    • and earth between block cable channels dab earth needed twin twin and earth wall
    • Replies: 18
    • Forum: UK Electrical Forum
  17. HappyHippyDad

    What are the dangers of poor insulation resistance results between neutral and earth?

    What are the dangers of poor insulation resistance results (i.e <1Mohm) between neutral and earth? If all other tests are ok, what are the dangers of the above? My thoughts are it may indicate a breakdown of the insulation somewhere. However, what are the dangers of this breakdown between...
  18. D

    grommets and earth Sleeving are so over rated

    if you are going to put a 'how to' vid on youtube atleast buy a dang grommet and some G/y sleeve
    • Dustydazzler
    • Thread
    • and earth earth grommets rated sleeving
    • Replies: 25
    • Forum: UK Electrical Forum
  19. J

    UK Spur off a 4mm twin and earth, 32amp radial

    I have a dedicated radial from the consumer unit to my conservatory. This was installed using 4mm twin and earth as it gives the option to use multiple electric heaters on a 32amp breaker if needed. The circuit consists 4 double sockets plus one single socket on the end, in a weatherproofed...
  20. R

    UK How to use 2 black, 2 white and earth tag in light fixture

    Hi there, I have just bought some brass light fixtures and upon delivery found there to be 2 white, 2 black and one earth tag (I think it's called) which is separate from the fixture itself. Looking online I've not really found much regarding installing such devices into the EU style outlets...
    • Rorytymon
    • Thread
    • and earth black earth fixture how to light light fittings need help white wiring help
    • Replies: 9
    • Forum: UK Electrical Forum
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