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Darryl,<br>
<br>
Say what?! This would seem to indicate that solid core is actually
better for DC than stranded wire. Can this possibly be true??<br>
<br>
Matt<br>
<br>
Darryl Thayer wrote:
<blockquote cite="mid461013.70184.qm@web51910.mail.re2.yahoo.com"
type="cite">
<pre wrap="">I looked in the code book and found stranded wire has about 2% higher DC resistance than solid, Chapter 9 table 8, and that for AC resistance the same value as DC resistance to within the table accuracy Chapter 9 Table 9
This table points out that for AC resistance it is important to know the conduit system, as the reactance will have an effect. With AC it is important to never allow a single wire to pass through a metal surface as this will induce eddy currents and magnetic effects into the metal causing voltage drop and heating.
--- On Fri, 7/31/09, jay peltz <a class="moz-txt-link-rfc2396E" href="mailto:jay@asis.com"><jay@asis.com></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">From: jay peltz <a class="moz-txt-link-rfc2396E" href="mailto:jay@asis.com"><jay@asis.com></a>
Subject: Re: [RE-wrenches] solid vs stranded AC vs DC
To: "RE-wrenches" <a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org"><re-wrenches@lists.re-wrenches.org></a>
Date: Friday, July 31, 2009, 10:01 PM
Hi Darryl,
But what are the differences and when do they come into
play?
On Jul 31, 2009, at 7:25 PM, Darryl Thayer wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Well there is very slight differences between AC and
</pre>
</blockquote>
<pre wrap="">Dc But this
</pre>
<blockquote type="cite">
<pre wrap="">difference
is so slight that it has no effect on anything we will
</pre>
</blockquote>
<pre wrap="">do.
</pre>
<blockquote type="cite">
<pre wrap="">Darryl
--- On Fri, 7/31/09, jay peltz <a class="moz-txt-link-rfc2396E" href="mailto:jay@asis.com"><jay@asis.com></a>
</pre>
</blockquote>
<pre wrap="">wrote:
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">From: jay peltz <a class="moz-txt-link-rfc2396E" href="mailto:jay@asis.com"><jay@asis.com></a>
Subject: [RE-wrenches] solid vs stranded AC
</pre>
</blockquote>
</blockquote>
<pre wrap="">vs DC
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">To: "RE-wrenches" <a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org"><re-wrenches@lists.re-wrenches.org></a>
Date: Friday, July 31, 2009, 7:00 PM
HI All,
I'm trying to understand this wire issue.
Whether or not there is a difference between
</pre>
</blockquote>
</blockquote>
<pre wrap="">stranded or
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">solid wire for DC or AC.
Any takers on this one?
thanks,
jay
peltz power
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