Re: A simple question, and the prevention of a VERY expensive mistake.

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Hollmike-at-aol-dot-com>
> 
> Matt,
>     I am looking at my wire tables and it appears that you somehow have
the DC
> resistances off by a factor of 1000.
> Here is what I see:
> 10g wire has just under one ohm resistance at 20ºC per 1000 feet.  The weight
> you show, is close enough, but how did you arrive at 6.4 KOhms?  As I said
> above, I think you may have the DC resistances off by a factor of 1000
and they
> are really just Ohms, not KOhms.
> Mike

	A simple rule to remember is that the resistance/1000 feet of #10 is
about 1 (0.001 ohms/ft), #20 is about (0.01 ohms/ft), #30 is about (0.1
ohms/ft), and #40 is about (1 ohm/ft).  Not exact, but "close enough for
government work".

Ed