3 core

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  1. 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...
  2. J

    basic 3 core wire water resistance

    Dear Electric forum members ,Thankyou for reading this question maybe someone can help or point me in the right direction,I have been recently flooded and had water under my floor boards which covered some of the electric cables on the downstairs socket ring ,the cables were sitting in the water...
  3. M

    Sourcing specialist cable brown 3 core flex1.5mm 30m

    Hi all desperately seeking 30m of brown 3 core 1.5mm for a church job along the beams and my suppliers are struggling or can’t be bothered. Any ideas for suppliers please.
  4. 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...
  5. G

    UK Garage consumer unit in an outbuilding swa 2 or 3 core

    Hi all I'm installing an Garage consumer unit in an outbuilding being converted to a studio for a photographer just 1 ring main and lighting circuit. supply cable 50M length SWA 10mm due to volt drop. No room where Consumer unit is to bring SWA in and terminate so was going to put IP65 box on...
  6. P

    What cable size and breaker would I need for two extractor fans in a public toilet? 1.5mm 3 core and a 20amp rcbo?

    What size cable for 2 extractor fans in a public toilet?
  7. D

    Lighting Fault - mystery 3 core

    I am a relative newbie so excuse me if this might be obvious... I am trying to find a fault with the lighting in one room. Apparently, the light was very dim before the client had disconnected it. There is a 3 core in the light switch which when tested supplies about 150V. There isn't another...
  8. A

    3 core armoured cable to meter tails

    Hello, There is a 3 core underground armoured cable that emerges into a small "plant" room and from there it will connect to the consumer unit which is a fair distance and inside the property. A previous electrician (left when coronavirus) has already run meter tails between plant room and...
  9. L

    Please Help, wiring a switch with a singular 3 core wire

    Hi, im having trouble. I want to wire up some outdoor lights through a smart home plug. They were previously connected to an analouge timer and after removing this ive found that there is one singular wire coming from the lights. this wire has neutral (blue) live (brown) and another black wire...
  10. E

    10mm2 3 core 90 degree cable suggestions

    Customer has ordered a Smeg Symphony SY92IPX9 Induction Range Cooker. Smeg don't supply a cable and specify that the cable you use should be 10mm2 3 core and be able to withstand at least 90 degrees C. The only 10mm2 I can find that is anywhere close is H07RN-F but that is only good to 85C. A...
  11. T

    3 core twin and earths

    Came accross a re wire were the sparks first fixing had used 3 core cables down to every switch baffled as to why on 1 ways etc supervisor called it smart wiring ? Anyome else come accross this ?
  12. K

    UK RCD keep tripping.

    Hi All.. I have a 16mm 3 core swa feed a 9way split board in shed, 30m from incomer .. from the split board I have run a 10mm 3 core swa to 2 way board for hot tub. This has a 63amp rcd in it.. the other end at the split board is also a 63amp rcd on its own of one side of the split board.. this...
  13. D

    3 core & earth to 2 core & earth

    Hi there. After a bit of advice please. Only reason I am not getting an electrician in is because my son is struggling with Asperger's at the moment, so just not able to let contractors in as he has meltdowns. I am in the process of simply replacing an old light from underneath a stairwell. I...
  14. Z

    Accident chopped off the grey wire in a 3 core.

    Friends, Whilst helping a friend with the 2nd fix on a job, I've accidentally sliced off the grey conductor in a 3-core cable like a total --------. What now? Can I reconnect it using a wago connector? Or is that going against the regs? Someone help! ZippyMo TraineeSpark and sausage for...
  15. A

    Smart lighting 3 core to switch

    In the coming weeks I will be re-wiring my home. For the lighting circuits i will be using 1.5mm cable. ideally I would like to run the feeds to and from each light switch so that there is a neutral at the switch for smart lighting. However to avoid more damage/decoration I will be using the...
  16. D

    Junction box- 3 core & earth conundrum

    Hello. Fingers crossed the attached file is view-able. I've never met this arrangement before, and I'm hoping some kind soul can explain to which terminal the loose black wire should be connected. Kind regards, Denise
  17. S

    Ceiling Rose Wiring - 3 core plus earth ?

    Advice needed, Removed a ceiling rose and the cables must have been loose as they all popped out. Connected up all the cables apart from the grey cable. My PIR light outside is now not working without this grey cable connected into one of the blocks which is fed off the same switch bank on...
  18. T

    SWA cable rating - 2 core or 3 core?

    Hi guys and girls, When calculating current carrying capacity of SWA; if you have 3 core swa but one core is being used as the cpc, is the SWA classed as 2 core? Many Thanks
  19. C

    3 core + earth for switch drops

    Evening all, With so many smart/connected home products on the market now, what are the great and the goods thoughts on dropping 3 core down to switches when using the 3 plate system for lights to provide a neutral at the switch? I know there is the loop at the switch method which I have used...
  20. rolyberkin

    Seperation between swa cat5e and 10mm 3 core swa?

    Any issues with running them side by side, over a distance of about 35m?

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