core

  1. A

    Need to get 3 core electrical wire that is regulation compliant

    I am in search of a regulations compliant electrical wire that is used in power cables and kettle leads with the appropriate colour coding i.e. green-yellow, brown and red. The only caveat is that I need a flat version of this wire and not the round one. Can anyone tell me where I can source...
  2. H

    Solid Core Flexible Cable

    Hello People - I have come across a cable type that I have not really seen before. It is a solid core flexible cable (but its not like flex). It's very malleable and holds its form when you bend it, it is a power cable. The cable code I have received is NHXMH cable. Question: Are there any...
  3. J

    2 core cable to metal light switches

    Went to a flat recently where the cable is run through metal conduit to metal back boxes on a TN-S system. Built in the 60's the flats have aluminium strand cable that is sheathed by a braided woven material (vic cable?) and although old is serviceable. The matal conduit is earthed back to the...
  4. J

    Smoke alarm 3rd core, WHY ?

    Hello fellow sparks, how are we ? I am slightly embarrassed about asking this but here goes, I have never realy understood why you need a 3rd core when wiring smokes, live, neutal and earth i get, but why do you need a switch wire exactly, what is its job ?
  5. C

    2 core cable..

    When supplying an item of double insulated equipment, (in this case an extract fan). Is it acceptable to use a two core cable i.e. no cpc? Or is the earth still required in order to protect the cable run?
  6. S

    107 or 117 core drill size

    Hi, what size core drill, do you generally use for cutting 100mm core holes 107mm or 117mm. Cheers
  7. T

    5 / 6 Core Flex Advice Needed Please

    Hi Everyone Don't often get involved in wiring up central heating! I have been asked to install new Honeywell ST9400c to replace ST7100 on a Y plan (Mid-position valve). The new programmer requires a 5 / 6 core flex. I can get 5 core every where, but I feel over sleeving the earth is bad...
  8. E

    Whats the Best Core Drill? - Top Core Drills

    untill now i have somehow managed to get by by getting somebody else on the job to core out holes, or i've borowed a core drill, but it looks like i'm gonna actually have to buy one now! 2 options here, i know someone who just uses a big sds max drill for this, and i know someone with a proper...
  9. O

    MF JB for 5 core 0.75mm multi strand cable?

    OK, got a call from a plumber mate about 2 hours ago as he'd cut some cables with his circular saw. In fact he'd cut 3 cables - one 2.5mm T&E, one 3 core & earth - both fixed quickly with the Ashley MF boxes. The 3rd cable is 5 core, and it looks like 0.75mm core from the central heating...
  10. K

    how many 2.5 single core in 28mm conduit?

    how many 2.5 single core will fit in 28mm conduit?
    • kerryblue
    • Thread
    • circuits conduit core france guide single single core those
    • Replies: 18
    • Forum: UK Electrical Forum
  11. K

    Sleeving of 5 core cable for lighting circuit.

    Hi, I have a technical query in regards colour sleeving of conductors in a multicore cable. Take a 5 core 2.5sqmm XLPE SWA cable with all white conductor insulation. I want to use this cable for lighting circuits in an industrial installation, can I sleeve the cores to they’re respective phase...
  12. E

    sockets wired in 1.0mm 3 core flex

    Doing a re-wire for a customer who's had their kitchen redone recently and told me the electrics are fine.when I checked, they've all been wired using 1.0mm 3 core flex then sealed underneath tiles.I can't remove the tiles or pull through new cables.Is it permissable to leave it connected like...
  13. M

    cable sizing for 400a 175m 4 core

    hey, ive been asked to work out a cable size for someone and not sure on the sizing for the amps. the information received is that its to be armoured, 4 core and the distance is 175m and needs to carry 400amps. is there a cable big enough or will they have to run two in parallel. thanks
    • matt12321
    • Thread
    • 4 core cable cable sizing core sizing
    • Replies: 17
    • Forum: UK Electrical Forum
  14. C

    2.5mm3 core armoured cable any one know how much it is per meter got a little job on

    ony needing 10 meters so dont want to buy a 50m drum
    • chopper
    • Thread
    • armoured cable core electrical work job knowledge little meter metre
    • Replies: 19
    • Forum: UK Electrical Forum
  15. sjhall

    Core drilling

    Question for any of you guys that do a fair bit of core drilling- Do you drill with hammer action on or off ? I've got a decent enough drill ( makita 8406c 1400w) Ive found I get better results on hammer but dont want to damage the drill ... Thoughts? Cheers
  16. sjhall

    Core drilling

    Wrong section ..... Sorry
  17. T

    core set

    im selling my core set only used the 117mm core too drill two holes less then a month old over £200 in maidstone plumbing. Ill take £150 ono i will post at buyers expense
  18. D

    3 Core and Earth plus a FCU help!!

    Hi Guys I need to add a 3A FCU to 3 core and earth cable for a timed extraction fan (prior to the TP switch), how is this achieved with only L N and E connections on the FCU? Regards DIYBlues
    • DIYBlues
    • Thread
    • 3 core core earth fcu help
    • Replies: 13
    • Forum: UK Electrical Forum
  19. kingeri

    Unused core in T&E

    Quick question. I was adding a 2 way switch to a lighting circuit and discovered a T&E where only one wire was used. he second had just been cut off and not used. I always connect unused cores to the CPC and sleeve green/yellow. Is this common practice or just me?
  20. T

    diamond core drill bit for 4 inch fan holes

    I'm going to buy my self a core bit for 4inch fan holes, what size do you guys have 107mm or 117mm and what makes are good?

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