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Light Switch wires

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  • 08-07-2020 12:03pm
    #1
    tomstud12
    Registered Users Posts: 98 ✭✭


    Hi guys,

    I'm just wondering my light switch has 3 Natural blue wires and I've got a new light switch that needs a natural wire and wondering do I just pick one from the 3 wires or do I add another wire from the other end of the terminal strip into the light switch?

    https://ibb.co/Nn85w9X


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    #2
    Lefty2Guns
    Registered Users Posts: 716 ✭✭✭Lefty2Guns


    It doesn't sound correct having to terminate a neutral into the light switch. Usually just a common (Brown) and switch wire (Brown)

    Can you share another photo of the back of the new switch

    P.S. Ex electrician here


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    #3
    [Deleted User]
    Posts: 7,499 ✭✭✭ [Deleted User]


    probably a smart switch of some sort.
    tomstud12 wrote: »

    or do I add another wire from the other end of the terminal strip into the light switch?

    https://ibb.co/Nn85w9X



    This is correct!


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    #4
    tomstud12
    Registered Users Posts: 98 ✭✭tomstud12


    BrownFinger wrote: »
    probably a smart switch of some sort.





    This is correct!
    Lefty2Guns wrote: »
    It doesn't sound correct having to terminate a neutral into the light switch. Usually just a common (Brown) and switch wire (Brown)

    Can you share another photo of the back of the new switch

    P.S. Ex electrician here

    Yes it is a smart switch it needs a Live in: Brown or red color, live out: Blue to black, and a Natural: blue


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    #5
    [Deleted User]
    Posts: 7,499 ✭✭✭ [Deleted User]


    Your switch in the picture looks like a 2 way switch.
    Is it switched somewhere else ?
    That could be a problem for your smart switch.

    Edit- Its not 2 way!


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    #6
    tomstud12
    Registered Users Posts: 98 ✭✭tomstud12


    BrownFinger wrote: »
    Your switch in the picture looks like a 2 way switch.
    Is it switched somewhere else ?
    That could be a problem for your smart switch.

    It's one switch turns on just the light in this one room


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    #7
    Lefty2Guns
    Registered Users Posts: 716 ✭✭✭Lefty2Guns


    tomstud12 wrote: »
    Yes it is a smart switch it needs a Live in: Brown or red color, live out: Blue to black, and a Natural: blue

    You need to add a neutral link between the switch and the neutral block. You cannot simply disconnect 1 neutral from the block though as you would lose your neutral circuit. You need an extra piece of neutral cable to go between both.


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    #8
    tomstud12
    Registered Users Posts: 98 ✭✭tomstud12


    Lefty2Guns wrote: »
    You need to add a neutral link between the switch and the neutral block. You cannot simply disconnect 1 neutral from the block though as you would lose your neutral circuit. You need an extra piece of neutral cable to go between both.


    Okay great yes that's what I was gonna do just wasn't to sure thanks


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