Re: [SI-LIST] : Question Re: Wire Gauge and resistivity

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From: Ray Anderson (Raymond.Anderson@eng.sun.com)
Date: Mon Nov 13 2000 - 11:10:25 PST


See the following URL for a short description of why the
AWG spec is the way it is with respect to your question #3.

http://www.lucent.com/networks/ewc/catalog/c04e.html

-Ray
Sun Microsystems

> 3. What is the original derivation of the AWG (American Wire Gauge)
system.
> There is obviously a logarithmic relationship between gauge and
> cross-sectional area:
> Wire Gauge ~ Log(1/Area)
> but why is that? How were the original gauge numbers defined?
>
> Thanks for any help
>
> Doug Brooks
> .

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