[RFI] Tracing wires.

[Christopher Brown]

It would be a /classic/ for an after the fact install of a temp
controlled attic fan to be tapped into the nearest circuit, often the
light fixture feed of a nearby room.

On 1/19/16 21:07, Gary Smith wrote:
> 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.
> 
> Gary
> KA1J
>  
>> : 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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> 
> 
> 
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