landing and hall switch wiring



  • Hi,


    1 light on the upstairs landing, which is a single switch, but this also works from a double switch down at the bottom of the stairs as well

    -1 light at the bottom of the stairs which is a lobby light which works from the double switch at the bottom of the stairs as well.

    On the back of the single switch at the top of the stairs I have 3 terminals

    L1 L2 L3 and 4 wires, red, yellow, blue and earth. Im fine with where the earth goes?


    Please help.


    I didn't find the right solution from the Internet.


    References:-

    Motion graphics animation agency





























    Thanks


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