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From: Boris Mohar
Subject: Re: So how DO you find the burned out bulb?
X-Newsreader: Forte Agent 1.92/32.572
Date: Tue, 24 Dec 2002 14:34:40 -0500
NNTP-Posting-Date: Tue, 24 Dec 2002 14:37:04 EST
Organization: Bell Sympatico
On Tue, 24 Dec 2002 05:43:19 GMT, "Bill Brown" wrote:
>I have been following the "Greenlee Voltage Stick" posts. I bought a $5
>Radio Shack Voltage detector and had similar problems figuring out which
>bulb is burned out in a series xmas light string..
>So the question is How do you find the burned out bulb?? If I had my magic
>wand I would create a pen sized stick with a hole in the bottom that you
>slip over the suspect bulb (while it still plugged into a powered string).
>If it buzzed (or didn't buzz) then you pop the bulb out with the attached
>grippers (Kind of like a screw holder, except sharper). It should be easy
>because you have a 120 VAC differential across the burned out bulb, but
>essentially nothing across a good bulb.
>Hmmm... maybe I should also post this to sci.electronics.design and see if
>any of the whiz bang designers over there have any good ideas. Hey guys
>over there, build a million, sell a million, make a million, $$ that is!
>See the original series of posts in sci.engr.lighting, under the thread
>"Greelee Voltage Stick".
If this is a loop type where you have a single wire daisy chaining from
one bulb to another that plug it in and bring an input from an audio
amplifier in the PROXIMITY for the wire. The hum should significantly
diminish or increase when you cross the break. Under no circumstances
should you attempt to connect the amp input to any part of the bulb
wiring. Also make sure that the amp and the bulb chain are plugged in the
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