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<div class="moz-cite-prefix">On 6/28/2013 11:47 AM,
<a class="moz-txt-link-abbreviated" href="mailto:aram@aramsolar.com">aram@aramsolar.com</a> wrote:<br>
<blockquote
cite="mid:20130628104745.b57827851f1f1a43d2e57a598576ec83.77bf2235b3.wbe@email16.secureserver.net"
type="cite"><span style="font-family:Verdana; color:#000;
font-size:10pt;">
<div>And of course Red for positive and black for negative. </div>
<div>Most building departments have not pick up on this yet.
But they will. </div>
<div>Aram</div>
</span></blockquote>
<br>
Where does "of course Red for positive and black for negative"
come from, please? I only know it as an automotive standard that
has often caused confusion when used by DIY offgridders in years
past, as black thus could represent either positive or negative in
a DC conductor pair. <br>
Is there yet a convention for ungrounded arrays? While red and
black are technically correct as ungrounded current-carrying
conductors, use of this color convention could cause as much
confusion as resolve it in the future. How about "black and black"
or for that matter "yellow and orange" (if supplied by
manufacturers) for ungrounded arrays?<br>
Thanks, Allan<br>
<br>
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<div class="Section1">
<p class="MsoNormal"><b>Allan <span class="SpellE">Sindelar</span></b><br>
<span style="font-size:10.0pt"><a
href="mailto:Allan@positiveenergysolar.com"><u><span
style="color:#000099">Allan@positiveenergysolar.com</span></u></a></span><br>
<span style="font-size:10.0pt">NABCEP Certified PV
Installation Professional <br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder and Chief Technology Officer<br>
<b>Positive Energy, Inc.</b>, a Certified B <span
class="SpellE">Corporation<sup><span
style="font-size:7.5pt">TM</span></sup></span><br>
3209 Richards Lane<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112 office 780-2738 cell</b><br>
<a href="http://www.positiveenergysolar.com/"
target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></p>
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