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Light switches i am replacing all my light switches. I have fitted them all apart from the toilet one.This has the fan wired to it as well.The switch is a isolater switch?&the new one is a single 10amp 2way but when i wire it up the fan is a timed one it goes on when the light is off& goes off when its on (time runs out)can you help

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  • dad46 Feb 17, 2008

    there is no black wires there is only 4 reds 2 of which are for the fan. I have got the main live because they have been tied in a loop

  • dad46 Feb 17, 2008

    your picture is right but on the new swich i have there is only 3 wiring points com,l1&l2 the old swich had 4 with a bit wire connecting the 2 top (coms?)so when i put the new 1 on i connected the 2 live in the com (instead of the bit wire)the other fan into L2&the lightintoL1 the light& fan work but the fan only comes on when the light is off. If i put the light the fan goes on to timer as if the light is off how it should be

  • Gary Davd
    Gary Davd May 11, 2010

    this is a crude pic but from what you said is this what you have ??

  • Gary Davd
    Gary Davd May 11, 2010

    ok lets take this slowly 4 reds in all 2 go to the fan and 2 go to the light right?? do you know which 2 go to the fan??

  • Gary Davd
    Gary Davd May 11, 2010

    switch the wires (Blacks)



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Ok i think i have the pic right now does this look like what you have??
light switches - e59b871.jpg

Posted on Feb 17, 2008


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It is best to search the manufacturers site, to find installation codes/colours.
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