[RFI] Tracing wires.

Gary Smith Gary at ka1j.com
Wed Jan 20 01:07:17 EST 2016

That's pretty much what I'd like to find. With that, I could trace 
the wires to everything I need to.

One bugger is a fan in the attic, it doesn't work any more but I have 
no idea it that's because it is damaged or because there is a remote 
switch to turn it on/off. Can't see the wiring because of that damned 
paper mache insulation covering everything 1' deep in paper fiber.

> : This might be what I need to do. I don't know about a signal tracer
> : kit if its something to carry around and look for signals behind a
> : wall, without opening up the wall, that is what I'm looking for. I
> : haven't come into contact with anything like that to date.
> In the early 90's I bought a wire tracer "pen".  It ran on a single AAA 
> battery, looked like a rectangular laser pointer, had a metal tip.  I bought 
> mine at All Electronics for a few bucks, Radio Shack had them as well for 
> more.
> I found I could sweep a wall and locate a "hot" wire behind sheetrock, 
> plaster, et cetera.  I would press the button, then "sweep" the tip across a 
> wall and watch for a red LED on it to illuminate.  When it did, I could 
> sweep more slowly to narrow down the inch or so it would light, then make a 
> faint pencil line.  I would then connect the dots, so to speak, to have a 
> map of the wire behind the wall!
> Kurt 
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