core

  1. Z

    Four core or five core for linking outbuildings with 3 phase

    I am laying pipes and cables (separated in accordance with local regulations) underground between outbuildings, and will then close up various trenches. Between one pair of outbuildings I want to connect 3-phase power (they are currently linked by 4 overhead wires, but I have disconnected...
  2. W

    2 core for 4 inch fan wiring

    Hello I’m starting off doing jobs for myself and I’ve come across a bathroom with lack of ventilation ... The fan in place is a 4inch fan tight to the ceiling corner. It’s fed from the light in two core to a isolation switch and transformer in the kitchen behind the fan. Currently it’s fed in...
  3. 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...
  4. M

    6 core flex mains and low voltage

    CP electricians supply a 6 core cable from their lighting control boxes that supplies a mains voltage emergency light,, 2 cores of this are 18v dimmable switching. A led lighting company have provided the led lights and drivers that connects to the 6 core flex however their emergency pack and...
  5. 123

    Marcrist Core set with dust extract

    Has anyone used one of these? Have a few jobs coming up that need a fan cored through red brick wall which tend to be a nightmare as the wall is wet and the dust jams the core drill. This is the item
  6. 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...
  7. 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
  8. K

    Using 7 Core Armoured as Twin and Earth ?

    My daughter has some 7 core armoured cable running to her garage which looks to be 1m2 or possible 1.5m2. It carries a 2-way external light switch connection to switch on 2 external lights ( house and garage) from either the house or the garage, and there is also a single 13amp socket connected...
  9. 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...
  10. B

    5 core flex to combi

    Need to wire a supply to combi with LNE connections, and 2 volt free cores for room stat. I don't really see why I can't use 5 core flex for this, as all cores insulated to 500v, but plumber insisting they need to be in separate flexes...any thoughts? Cheers
  11. Daniel Oake

    Three core - Grey is generally neutral

    (Just a quick basic question I could google, but I prefer the forum discussion if anyone's wondering) When installing a feed to something that requires 3 core and earth, why is it we use the grey (as a general rule of thumb) as the neutral (and sleeve blue) instead of the black, I figured black...
  12. HappyHippyDad

    SDS drill being used instead of core drill?

    I realise this has been asked before, but I find the search bar really poor on the site since the big change and it doesn't come up with anything useful. I am getting more extractor fan installs that require wall mounted fans. Instead of hiring a core drill once a year I wondered if anyone uses...
  13. Cornish1984

    Five core 32A 400v sea cable calculation help

  14. cliffed

    Cleating or cable tray 70mm 4 core swa

    Any ideas how to bend 70mm swa cable round a corner brick wall. It’s gotta look good,cable not yet ready to cleat,but looking at the route the only problem I see is this corner,especially with the radius bend-of the cable,just wondering how you guys would overcome it.
  15. littlespark

    Looking for 6 inch dia core drill plus ducting

    I've got a job to replace a recycling type cooker hood with a vented type. The hood has been bought by the customer and has a 150mm duct hole on top I cant find anywhere locally that will supply me with a 150mm dia elbow and straight duct. The store that she bought the hood from only had a...
  16. G

    Ceiling light only have one two core and earth cable

    Hello all I am trying to replace a light and add a bathroom fan to the ceiling light. But when I removed the old light there is only one cable coming from the attic. I replaced the light in the same way that the older one was but I'm confused as there should be a switch wire going to the light...
  17. 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
  18. O

    Interesting 4 core flex ...

    Came across this today... When fault finding a boiler control change ....
    • Octopus
    • Thread
    • 4 core core flex interesting
    • Replies: 25
    • Forum: UK Electrical Forum
  19. A

    Osily ceramic core heaters

    I recently got these installed and dumped the instructions by accident for setting up etc. I seem to use alot of electric as I have them set to 18 degrees so they maintain that temp all the time. Does anyone know where I can get a user manual to re asses the set up? My sparky is a nightmare at...
  20. 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...
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