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ceiling rose wiring

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  • 19-03-2010 2:58pm
    #1
    jazzman 1963
    Registered Users Posts: 11 ✭


    Hi All,
    I am replacing my ceiling rose fitting.At the bottom of the stairs i have two switches to operate the downstairs light and the upstairs light,upstairs is a single switch that operates upstairs only.I have three wires from the ceiling downstairs and two upstairs.The new fittings have live,neutral and common terminals how do i wire them up so i can switch from both downstairs and upstairs.The original fittings had just live and neutral terminals.Can anybody please help .Thanks.


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    #2
    M cebee
    Closed Accounts Posts: 4,431 ✭✭✭M cebee


    you don't configure the 'ceiling rose' to change the switching arrangement

    it's just a straight swap.sometimes there's a 'permanent feed' if it's a 'loop-in' wiring system


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    #3
    jazzman 1963
    Registered Users Posts: 11 ✭jazzman 1963


    I did a like for like swap but the upstairs light wont work by either switch it was fine all along, by the way the original wires downstairs had one single wire and the other two joined together. I have new bulbs in but when i check the upstairs circuit with a phase tester the tester light is very dim compared to downstairs wires


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    #4
    M cebee
    Closed Accounts Posts: 4,431 ✭✭✭M cebee


    you may have connected a switch wire to common terminal on the 3-plate rose - hard to say from here

    wouldn't take too much notice of phase testers -fault path may be high-resistance upstairs so it could be dimmed


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    #5
    jazzman 1963
    Registered Users Posts: 11 ✭jazzman 1963


    The switch wiring was not touched just the rose wiring the downstairs light works ok ,because there are three wires from the ceiling downstairs should i make one of them common?


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    #6
    M cebee
    Closed Accounts Posts: 4,431 ✭✭✭M cebee


    'switch wire' is the switched live at the pendant itself


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    #7
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    jazzman 1963 wrote: »
    I did a like for like swap but the upstairs light wont work by either switch it was fine all along, by the way the original wires downstairs had one single wire and the other two joined together. I have new bulbs in but when i check the upstairs circuit with a phase tester the tester light is very dim compared to downstairs wires

    The 2 joined together downstairs are probably 2 neutrals which must remain together. If you seperate them when connecting then lights further on the circuit wont work. So either that has happened when you changed ceiling roses, or you did`t connect the 2 wires upstairs (switched live & neutral) into the right 2 terminals,,, the same terminals that have the flex to the bulb fitting connected to them.


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