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  1. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    Hi,

    I am fitting a loft light off a spur from a new junction box. The junction box has the terminals laid out in a line and most diagrams I have seen have them laid out in a circle.

    I just wanted someone to give this crude diagram of mine a look over and check I have got the switched live correct and all seems in order. When I run the power down the live and back up the neutral in my head, it logically makes sense.

    Thanks! :)

    [​IMG]
     
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  2. Ian1981
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    Ian1981 Electrician's Arms

    Location:
    North east
    It's all good
     
  3. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

    Location:
    South Wales
    Business Name:
    SparkyChick
    First up, welcome to the forums :)

    I agree with @Ian1981@Ian1981 , the diagram is correct, what I'm concerned about (and it may just be terminology) is "loft light off a spur from a new junction box".

    Do you mean you are connecting to the existing lighting circuit or a different circuit (such as a ring main)? If it's the later, then you need to take the spur from a fused connection unit as the lighting will only require a 3A fuse (I'm assuming you are using 1.0mm or 1.5mm twin and earth cable for the lighting part).

    And, it goes without saying, please be careful and ensure you have fully isolated the circuit you are working on. I'd also add, even though this is a relatively straight forward task, I would advise you engage the services of an electrician as we have the gear to properly test the circuit and ensure it is safe once the modifications have been made.
     
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  4. Ian1981
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    Ian1981 Electrician's Arms

    Location:
    North east
    Good point
    I'd assumed it was the existing lighting circuit located in the loft space.
     
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  5. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    It is a lighting circuit. I would never attempt taking it from a ring main. Far too scary for me. I have double checked the consumer unit. I have found the switch for the upstairs lights and isolated it. So all is good. Really appreciative of the feedback thanks :)

    Oh and yes, using 1.5mm twin and earth in the new colours. I have earth sheath and live and neutral sheaths too for marking the switched live. Apologies if my terminology is rubbish. But yes, definitely from the existing upstairs lighting circuit located in the loft :)
     
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  6. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
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    Telectrix
    just make sure all cables have their sheath inside the JB and all connections are tight. screw box down and fit a few cable clips.
     
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  7. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    Just added an edit to my post as you must have been typing this and I have addressed sheaths. I also have a ton of cable clips thankfully. Don't want the cables all loose and messy like they are at the moment. Keeping it neat and tidy and avoiding tripping hazards :) Thanks for your reply, much appreciated :)
     
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  8. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
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    BlueRaa is in wallasey, so it needs to be a IP68 JB to future proof when wallasey is under the sea in 100 years' time.
     
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  9. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    You don't know which bit of Wallasey I am in though. I might be right by the Green Dome, higher than most of Liverpool
     
  10. Taylortwocities
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    Taylortwocities Electrician's Arms

    Location:
    Oxfordshire
    Always makes me smile, that sort of comment.

    BlueRaa, I am not having a dig.
    ANY electrical circuit is scary. A 6amp, 230v lighting circuit can kill you as easily as a 40amp, 230v shower circuit can.
    A very small amount of current can put your heart into what ios known as fibrulation (that means it's not beating properly any more!)
    It only takes as little as 0.03 of an amp to put the heart into fibrulation.

    Its worth learning about safe isolation. There's a pocket guide here
    https://www.niceic.com/Niceic.com/media/Pocket-Guides/Pocket-Guide-5.pdf
    its what keeps us electricians alive.
     
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  11. Pete999
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    Pete999 Trusted Advisor

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    Northampton
    Not an icon for pessimistic.
     
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  12. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
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    could have given me a "dumb" pete. never had a "dumb" (yet).
     
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  13. Pete999
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    Pete999 Trusted Advisor

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    Well I suppose it is a bit Dumb, but not for a good Mate Tel, remember etiquette. Oh by the way taken a dose of that stuff you recommended seems to be working, must go to the Chemist Sorry TESCO and get some more, strange I don't need a prescription, at 4 quid a time, saving the NHS seems almost a doddle.
     
  14. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
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    if everyone used some common sense, bought a few beers, bottle of wine, or some 70%proof, save the NHS millions. not only save, but inject a fortune by way of tax,duty,vat, and any other robbery the gov. can skank out of us.apparently,smokers are the best contributors. the tax on fags is 10 times the cost to the NHS of treating smoking related diseases, but with smokers, treatment is shorter by 10 years because we die, smoking for the country and no medals after.
     
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  15. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    I didn't mean to infer it was safe. Just taking a spur from the mains seems like a far too complex a job for me / not confident enough to do it.

    Believe me, I was raised being told constantly to never, ever put things in plug sockets, turn light switches off when changing bulbs, don't even think about putting your fingers or anything else for that matter into the lamp holder because if you do you would have a heart attack / burst into flames / both. I have a very, very healthy fear of both electricity and gas! Believe me! But thanks for the guide, I will read it :)
     
  16. mattg4321
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    mattg4321 Electrician's Arms

    Location:
    South East
    Why not just get somebody in who has the qualifications/knowledge to do it safely?
     
  17. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    Not the way I would have done it .........

    Wonder if his earthing and bonding are up to scratch?
     
  18. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    Money. Or lack of it :)
     
  19. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    How would you do it? Open to suggestions? Is it easier to just do it in series as it were ie go junction box then to switch then to light fitting, rather than have them come off the junction box seperately?
     
  20. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    I charge for my advice....
     
  21. Ian1981
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    Ian1981 Electrician's Arms

    Location:
    North east
    Probably means take a mains in and out of the switch eliminates the need for a junction box.
    Your proposed way will work tho I don't mind telling it's a friendly forum after all
     
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  22. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    Thanks Ian. It is called the DIY forum after all isn't it. Certainly anything more complex than this I would get someone in for. But I just can't afford it at the moment and it's pretty urgent. I will update tomorrow on how it went :)
     
  23. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    OK. Well it is the DIY thread so it feels a bit redundant to come here, say you wouldn't do it that way then when asked how you would say you charge for advice. But thanks for the contribution, if that's what it can be called, anyway ☺
     
  24. davesparks
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    davesparks Trusted Advisor

    Location:
    guildford
    How is a loft light urgent? Does somebody's life depend on the installation of it?
     
  25. PEG
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    PEG Trusted Advisor

    Location:
    Manchester
    ...And don't forget that 68% of all statistics,are made up on the spot ;)
     
  26. davesparks
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    davesparks Trusted Advisor

    Location:
    guildford
    So based on that logic we'd all be better off if you smokers got on with it and commuted suicide.

    It'd help with the overpopulation of the country too.
     
  27. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    No but I have stuff to move in there to clear a room for other usage and that is urgent and will affect income.
     
  28. davesparks
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    davesparks Trusted Advisor

    Location:
    guildford
    Oh my golly gosh, you have to clear a room.
    How will an installed light fitting make a difference that a lead light or a torch won't?
     
  29. Leader
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    Leader Electrician's Arms

    Location:
    Bucks
    Let the man have a loft light
     
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  30. BlueRaa
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    BlueRaa EF Member

    Location:
    Wallasey, UK
    I don't have a head torch. Holding a torch means I can't carry things. And having proper lighting is safer. Anything else?
     
  31. Pete999
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    Pete999 Trusted Advisor

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    Location:
    Northampton
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