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Light tester

Discussion in 'General Electronics' started by StewieGriffin, Jul 11, 2004.

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  1. I saw an interesting item, an expensive christmas light string tester.
    Apparently, you plug the light string into it, press a button, and the bad
    bulb or socket buzzes. You can see it at

    Any idea how this works (and why it's worth $200)?
  2. The Al Bundy

    The Al Bundy Guest

    Maybe another idea, generate some HV and see which bulb shows some blue
    light :)

  3. I suppose you could save a few dollars every year with this and eventually they
    add up to the $200 ...
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