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Re: 24 guage wire

Subject: Re: 24 guage wire
From: "Jeff Volp" <JeffVolp@xxxxxxx>
Date: Mon, 15 Jan 2007 23:21:49 GMT
Newsgroups: comp.home.automation
References: <1168828041.690946.9830@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <eDEqh.67563$wP1.20733@xxxxxxxxxxxxxxxxxxxxxxxxxx> <12qna0g1os5bu1d@xxxxxxxxxxxxxxxxxx> <UYGdnc0p08X3lDHYnZ2dnUVZ_rKvnZ2d@xxxxxxxxxxx>

"Robert L Bass" <robertbass1@xxxxxxxxxxx> wrote in message
news:UYGdnc0p08X3lDHYnZ2dnUVZ_rKvnZ2d@xxxxxxxxxxxxxx
>
> Area of a wire is a function (pi R^^2) of diameter.  However, the ampacity
is
> more closely related to diameter than area.

Sorry Bob, but I have to disagree with you here.  With all other factors
being constant, the current rating of a wire is directly related to its
cross-sectional area.  As you point out above, that increases with the
square of diameter.

How well the wire dissipates heat can be as important as cross-sectional
area.  While a factor for multi-conductor cables, this becomes a major
consideration for transformer and inductor design.

Jeff

Follow-Ups:
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References:
- 24 guage wire
  - From: rflowers
- Re: 24 guage wire
  - From: Stanley Barthfarkle
- Re: 24 guage wire
  - From: B Fuhrmann
- Re: 24 guage wire
  - From: Robert L Bass

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