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Locating a hidden alarm wire

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  • 07-12-2006 5:44pm
    #1
    matty2003
    Closed Accounts Posts: 48 ✭


    An alarm wire was stuffed up into the wall when a window was removed to provide access to the new conservatory. It must be open circuit as the newly connected alarm shows it open. I don't think there's a voltage in it, so the voltage/wire detector doesn't find it. Added problem of metal behind plasterboard. I suppose I could put 12volts through it from alarm panel and then try. Anyone any other suggestions?


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    #2
    Beach Head
    Registered Users Posts: 84 ✭✭Beach Head


    Try to locate it in the above room or the previous sensor on the circuit that the cable is coming from.


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    #3
    Jnealon
    Registered Users Posts: 2,062 ✭✭✭Jnealon


    A tone generator might work. I have had success with these before


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    #4
    matty2003
    Closed Accounts Posts: 48 ✭matty2003


    I've used them before for faultfainding receivers, but don't you need an oscilloscope to read the output? Or is this a different kind of tone generator?


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    #5
    Jnealon
    Registered Users Posts: 2,062 ✭✭✭Jnealon


    no need for a scope. Something like this will do it Clicky


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