single core

single core

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  1. W

    If you have 3 single core cables in conduit for a singular circuit would this be classed as bunched?

    Hi there, I'm Currently doing my design calcs for my college project and doing the actual Zs calculation. Formula is Zs= Ze (or Zdb) + (R1+R2) Then for (R1+R2) you find the (R1 +R2) per metre value in the On site guide appendix i - i1 , which for me line and cpc are both 1mm so its 36.20 . I...
  2. J

    Need a little help, can I add a second PIR with a single core line in (live)

    Will this work?
  3. G

    Single core cable in conduit terminating outside

    Looking for some advice; I am intending to mount two led downlights on pillars/brick walls either side of the garage door opening. I will drill through the cavity to feed the cable through. There will be a PIR sensor mounted in the middle above the garage door. Internally i wanted to put the...
  4. W

    single core cables through wall

    hi i'm putting in some exterior lights for the shed. ive drilled a hole through the wall, put conduit through the hole to protect the cables and put a junction box over the holes. inside the house is mini trunking and single core cables. outside is swa. can i just take the singles...
  5. Q

    Reference method for the old sheathed single core cables run in attic spaces with insulation

    Good morning I am just wondering what reference method is suitable for the old single core sheathed cables if they at some point enter an attic space under insulation.ive had a read through the regs book but still unsure Cheers for any responses Harry
  6. N

    Steel conduits acceptable for earthing in domestic property ?

    Evening Just been to quote for a consumer unit upgrade. Found that the board was from circa 1960 and wiring looked original also. No alterations have been made with exception of a few faceplates renewed in the kitchen. Red and black single cores going into an adaptable box at the back and...
  7. R

    Single core and earth lighting fault

    Could the better and wiser assist with an odd one...? I've just finished a big CU swap on a 1950's house that uses single core & earth lighting circuits. All but one of these are fine, but the faulty one is pretty funky; There are 3 accessories on this circuit in 3 separate rooms. The first...
  8. NDG Elecs

    Single core flex uses....

    Hi folks, Doing some work in a house and customer asked what a single core cable clipped along the skirting board was for. I said it isn't telephone, speaker, doorbell nor alarm and I was perplexed as to what it could have been used for. Cable in question was defo single core, approx 0.3-0.75mm...
  9. M

    Identifying single core cpc's and neutrals

    Just wondering if anyone has any handy tips when trying to identify single core cpc's and neutrals? I work in a few food factories than are in constant production and switching off supplies is not an option, so identifying circuits can get pretty tricky. Identifying neutrals is pretty simple...
  10. P

    Single Core 230Volt Supply??

    A farmer client has a supply cable going underground from the DNO's kennel to a large barn converted to stables with power and light. The cable is fed from a 30 Amp switch fuse and a preceeding 30 mA RCD. In the barn, I noted that though the power and light were on separate 2.5mm and 1.5 mm...
  11. J

    On site guide single core Mv/A/m question

    Hello all I have a quick question on using my on site guide. I've found this forum fantastic for help so far. It's quite simple. I have a question which asks what the voltage drop for a single core 6mm² 70⁰c insulted cable for a single phase circuit is, enclosed in conduit. Page 151 of the...
  12. M

    For Sale - 200M of 50mm 6491X Single Core Earth Wire / Cable - £400

    Hi All, I hope this finds you well. I have a 200M drum of 50mm Earth 6491X from a cancelled project and couldn't take it back to the wholesalers, understandably, as it was ordered in from the manufacturers. Looking for £400 if possible and it is located in Central London but I can deliver...
  13. P

    Single Core SWA

    I have been asked to install a isolator to extend some cables feeding a chiller. Normally I would just run another multicore swa to the new location but they have had it designed with 240mm armoured single core to the new location. Of which they are not budging on. But the chiller is outside...
  14. S

    6mm (T&E) Single core or 6mm multi strand(T&E)

    Can somebody kindly explain the difference the above. I currently have 6mm T&E multi strand running from my main consumer unit of a 32amp mcb which then ties up to a junction box where I run SWA to my shed. I
  15. A

    Flexible single core cable for exterior use

    Hi, I need to replace some of the wires to/from the electric fence energiser. The existing wires look to be normal PVC insulated wire like you'd use in auto electrics or inside a piece of equipment. Over a few years the insulation has faded and hardened so the wires are now quite brittle...
  16. M

    400mm single core flex

    As above Terminated 3phase and neutral 400mm XLPE with termite sheath today. So much better to work with than the standard XLPE.. Tomorow will be interesting, 16 300mm standard XLPE into the smallest busbar chamber.. I would upload photos but apparently normal users can't upload them at the...
  17. T

    single core

    I've been asked to wire a shed the customer said that he has got the cable when I looked at the cable it was single core like pme cable I guess the neutral and earth are both in the armoured sheath has anyone used this cable before?
  18. E

    Doubling over single core connections

    I swear to god there was a reg specifying that all single core connections had to be doubled over? i can't find it anywhere have i just had a weird dream?
  19. M

    Advice on Pulling 6 mm2 single core cable through 20 mm Conduit

    Hi, I would like to ask your advice about how difficult it might be to pull cables through 20 mm plastic conduit. (easy, moderate, hard, impossible) I am running two separate lines for a cooker and hob in 6 mm2 single core stranded cable. Both runs will follow the same route. 4 meter run from...
  20. kingeri

    For Sale 1.5mm 3-core & earth 100m and 1.5mm single core & earth 100m

    The following coils of cable are up for sale, Huddersfield area: 100m sealed coil of 1.5mm 3-core and earth grey sheath new colours 100m not sealed but unused coil of single core (brown) & earth white LSH sheath Any reaonable offers considered for one or both! :)

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