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<b>300.3(B) Conductors of the Same Circuit.</b> All conductors of
the same circuit and, where used, the grounded conductor and all
equipment grounding conductors and bonding conductors shall be
contained within the same raceway, auxiliary gutter, cable tray,
cablebus assembly, trench, cable, or cord, unless otherwise
permitted in accordance with 300.3(B)(1) through (B)(4) [which don't
help here].
<title>National Electrical Code 2008 Edition</title>
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<div class="moz-cite-prefix">On 2013/11/19, 12:38, August Goers
wrote:<br>
</div>
<blockquote
cite="mid:595caaa6a918ec9e2ef7d354846113c6@mail.gmail.com"
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Hi
All –</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">On
a related note, I’ve become good friends with some of the
inspectors in San Francisco and they called me yesterday
with a question. Is it okay to run <u>individual</u> DC
conductors through EMT for wire management purposes? We have
always run paired positive and negative conductors in
conduit so the question had never occurred to me. Obviously,
you have to bond both ends of the conduit if it is over 250
v. I know that AC would have induction issues with running
individual conductors but I’m not sure with DC.</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Thanks,</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">August</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">August
Goers</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Principal</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Luminalt
Energy Corporation</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">o:
415.641.4000</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">m:
415.559.1525</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"><a
moz-do-not-send="true" href="http://www.luminalt.com">www.luminalt.com</a></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<div>
<div style="border:none;border-top:solid #b5c4df
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal">
<b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[mailto:<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>William Miller<br>
<b>Sent:</b> Monday, November 18, 2013 11:33 PM<br>
<b>To:</b> 'RE-wrenches'<br>
<b>Subject:</b> Re: [RE-wrenches] PV Wiring methods</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif";color:black">Bill:</span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif";color:black"> </span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif"">There
is no need to stuff MC4 cables into standard conduit. You
can either slot the pipe using our easy method or install
bulkhead type connectors. The connectors are readily
available. I get them from PV Cables in Northern
California..</span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif"">Wire
routing problems and some solutions can be found on our
web-site:</span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif""><a
moz-do-not-send="true"
href="http://millersolar.com/MillerSolar/practices/PV_wiring/_PV_Wiring2.html">http://millersolar.com/MillerSolar/practices/PV_wiring/_PV_Wiring2.html</a></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif"">Since
the industry won’t provide wire management solutions, we are
making our own. Questions: Just write or call.</span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif"">William
Miller<span style="color:black"></span></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif";color:black"> </span></p>
<div>
<div style="border:none;border-top:solid #b5c4df
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>frenergy<br>
<b>Sent:</b> Thursday, November 14, 2013 7:46 AM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] PV Wiring methods</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">William, Bill....from another Bill,</p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
<div>
<p class="MsoNormal"> Two things: For the rest of us
(maybe it's just me?!) that's still trying to figure out how
(or why) to stuff a MC4 connector into conduit and my
hesitation in using SS wire ties for fear of the sharp edges
cutting or chaffing into cables, I'm open for advice. Any
wire I use on the roof is rated for that type of service and
I have some off-grid systems that have been in the sun for
some 25 years where the wire still looks nearly new even
when flexing it to look for checking/cracks. It seems
the wire/insulation can take it, thus it seems like the key
to "wire management is to keep the wire from moving and off
the roof, secured to the racking, thus not compromising the
insulation. </p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
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