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Permanently on lights (Urgent help needed)

Discussion in 'Electrics UK' started by StephieD, 27 Aug 2003.

  1. StephieD

    StephieD

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    Hi, I have two sets of lights I am replacing ... both in the same room and controlled by one dimmer switch. The first set of lights are a straight replacement .. red to live, black to neutral and earth to earth. The second set is exactly the same but has an addition wire from the ceiling coloured red/black. When this wire is connected with the live wires the lights work brilliantly but can not be switched off with the dimmer and when this is wired with the black wires it blows a fuse.

    Any suggestions on where this extra wire should go so that I can turn my lights off without having to switch the whole power off!

    Thanks in advance.

    StephieD
     
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  3. breezer

    breezer

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    you mention a wire red / black. is it a balck wire with red tape?

    your lights should be connected to this as it is the switch wire (live) from the dimmer the neutral for your lights should be connected to the blacks
     
  4. StephieD

    StephieD

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    Hi breezer
    Thanks for the reply but I am a bit confused.

    The addition wire is black with a small red covering on it and when wiring we assumed it was a live from the switch.

    At the moment we have wired it like this: the green and yellow wire from the ceiling is connected (through a connecter) to the green and yellow wire from the light. The red wires from the ceiling are connected to the brown wire from the lights and the black wires from the ceiling are connected to the blue wire from the light. The additional black wire (with red covering) from the ceiling has been included with the red wires from the ceiling and is connected to the brown wire from the lights.

    The lights are working but will not switch off.

    Is this what you were suggesting or should I be putting the addition black (with red covering) wire somewhere else?

    Thanks again

    StephieD
     
  5. breezer

    breezer

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    take the black wire (with red sleaving) from where you have it. (with the reds)

    take the brown wire from where it is (from all the reds)

    now connect the two of them together, so that they are only connected to each other and nothing else

    leave the other wires as they are.

    you are right to assume that the black wire (with red sleaving) is a switch wire from the dimmer, but it should go directly to the light (as detailed above) not the other lives
     
  6. MrsMiggins

    MrsMiggins

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    Just thought I'd bump this topic to thank you guys for your info. Yup, that's right, I disconnected a light fitting without noting what went where and ended up with:

    Single Black
    Black/Black together
    Red/Red together
    Single Red
    Black/Red together

    and no idea what went where!:rolleyes:

    After searching the forum I was able to work it all out:

    Black/Red - Switched lives to 2 switches - connected to light fitting live
    Remaining reds together in choc bloc
    Remaining blacks together - connected to light fitting neutral
    And of course the earth for luck :)

    So thanks guys, I'd literally be in the dark (or permanently in the light)without these forums :LOL: :LOL:
     
  7. Big_Spark

    Big_Spark

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    Yet another case of "If you don't know what your doing, leave well alone and call someone who does" :p
     
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  9. Pricey

    Pricey

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    StephieD, breezer is bang on but once you've wired up as suggested, if it still doesn't dim, replace the dimmer switch. I had the same problem and found that once the lights had fused for the first time, it stopped the dimmer function from working.
     
  10. breezer

    breezer

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    That is all very well for you to say that, but this is a diy forum, we are here to help, if you can not say something of use, no one is asking you to post here, you may have a degree in what ever, you do know more than most of us, but one thing you do not appear to have is common decency and courtesy. people often come here after they have done something they shouldn't they come here for advice not abuse. yes quite often you do give better advice than most of us, but please either be helpful or go elsewhere
     
  11. paulh53

    paulh53

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    Excactly :confused:
     
  12. paulh53

    paulh53

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    Now "Breezer" Let's Stay Professional Eh?
     
  13. securespark

    securespark

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    We don't want any more hitting of the Alert Moderators panic button, do we chaps????

    PS it wasn't me!!! I've been away a few days.
     
  14. DIYnot Local

    DIYnot Local

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