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    hud51p's Avatar
    hud51p Posts: 1, Reputation: 1
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    #1

    Dec 26, 2009, 03:28 PM
    How do you wire a set of phones for a homade tester
    I'm trying to make a set of testers for finding wires using a set of phone receivers and need to know how to wire the receivers up using a 9 volt battery for power . I used a set a few years ago but forgot how to wire them up.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Dec 26, 2009, 03:58 PM

    Are you testing phones, or wanting 2 phones to talk to each other with a 9 volta battery?
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #3

    Dec 26, 2009, 04:31 PM

    I agree wit start. Confusing post. I made a telephone tester using a LM317 as a 30-50 mA current source.

    Are you talking about a toner/tracer?
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