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A colleague found this online the other day as one potential option
for shielding the wires for a ground-/pole-mount system:<br>
<a class="moz-txt-link-freetext" href="http://www.solarscrim.com/index.php">http://www.solarscrim.com/index.php</a><br>
<br>
No personal experience, though. Looks like they may ship with black
zip ties but Sunbundler ties (or others) would be an easy swap.<br>
<br>
Didn't notice that REC residential/AEE had been sold. It looks like
SolarCity, Vivint, and Sunrun are just taking turns buying every
smaller solar company to make sure that the others don't get them.<br>
<br>
<div class="moz-cite-prefix">On 2014/2/4, 23:47,
<a class="moz-txt-link-abbreviated" href="mailto:william@millersolar.com">william@millersolar.com</a> wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-family:"Arial","sans-serif";color:#1F497D">Kelly:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ground
mount racking choice is determined on a case-by-case basis.
If the ground is flat and area plentiful, we use ballasted
on gravel (Dyno-Raxx). If you need to seasonally adjust, we
like the DPW MPM. If the ground is sloped other than
gradually south, top of pole mounts may be your choice. For
flat ground, low tilt (grid-tied) “fence post” arrays like
the DPW LGM work well. For high wind areas, consider the
DPW TTRGM on piers spanned by strut.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Lest
anyone think I am the cheering section for DPW, I suggest
you avoid the DPW P6 or P8 “Tilt Kit” assemblies. The
brackets are flimsy. Also, avoid DPW’s L-feet. They are
bent aluminum and come pre-stress cracked at no extra cost.
For L-feet, use Unirac “Serrated L-feet.”<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It
is refreshing to hear someone ask about wire management
upfront. All too often this is an afterthought. In the
industry vacuum we have been developing wire management
systems on an ongoing basis. Below is a link that depicts
some of our ideas.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a
moz-do-not-send="true"
href="http://www.millersolar.com/public_html/MillerSolar/practices/PV_wiring/_PV_Wiring2.html">http://www.millersolar.com/public_html/MillerSolar/practices/PV_wiring/_PV_Wiring2.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The
Code now requires wire shielding on “readily accessible” PV
which means ground mount. Just managing the wire is not
enough, you must shield it from touch. One option is to
enclose the PV in chain link, which ramps up the ugly factor
(I don’t think three rail pasture fence or even barbed wire
complies). Once you fence the array you can dispense with
shielding, but you still don’t want the leads dangling in a
year or two, so avoid any flavor of plastic wire ties.
There have been studies proving they don’t last (US Navy is
one source).<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">We
have looked at racking members with larger interior cross
section (i.e. Pro-Solar) with the intent of running AC and
DC leads inside and we have even mocked up a few, but
fitting leads and the proprietary nuts into the same channel
has proven impractical.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Good
luck.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">William
Miller<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">PS:
Speaking of racking systems, did anyone get the news that
SnapNRack and indeed the entire REC Residential juggernaut
has been sold? </span><span
style="font-size:11.0pt;font-family:"Arial","sans-serif";color:black"><a
moz-do-not-send="true"
href="http://r20.rs6.net/tn.jsp?f=001DOU7toids4P6EbtZ8amZnWIPqfwSVSQprZxgWcCDNMwVujGRFeNr6kDDQxv8reDLHOjQsU5ZAbim7nwyi2LH1WCwpxjpydyrqtwAXR7rGEE1Vv9y6CHdApOn8xu7viO-boKxfR0vxuRWZuQZUsi31k7EuNfvsnYtZxiDLh9hiU2snspkUXkwVWlu0bEQXhPr6iN048ijV9vyy42Nc0lSkRY8eR4Vuhj1x9WG_J42Nw3BUMy2LRo8bPk83rGlFxOIi3a3_xZ86ubEYbyk1MwQDdKVfXOrZiplaNIIzrDh6n_xz1PO28GP4feFeQCk2gd8l_yy_pAgMdOHcKD_IDW7y6eRVPj8LA5FS7-3nIgC4egIz2vMLcdeRCtjg_WNZoRohptTtbcFtULUCOupqpn91wIENm--baFFvHj0TycL7wMKVBZI340LaA==&c=-PYi8jywk0XKsL2vpOkRGCzs2UwO52AqIXjyxYLdwi6HgzYpVBBpKQ==&ch=UHlwvhDu_eij1qcoWtW5qiGLvNITtkXGLCqG4RSjo4k9OQWUYTpu8w=="
target="_blank">Read the rest of this story</a><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Arial","sans-serif";color:black">Wm<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Feb 4, 2014, at 4:45 PM, Kelly Larson <<a
moz-do-not-send="true" href="mailto:solarwrench@asis.com">solarwrench@asis.com</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal">Thanks, Aaron. How are you handling
wire management and connection to the ground?<o:p></o:p></p>
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Blessings,<o:p></o:p></span></p>
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<p class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black">Kelly<o:p></o:p></span></p>
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<p class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal">On Feb 4, 2014, at 2:41 PM, Aaron
Mandelkorn wrote:<o:p></o:p></p>
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<div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I like SnapNrack 200 Series as
well as DPW Solar Multi Pole Mount.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Feb 4, 2014, at 3:28 PM,
Kelly Larson <<a moz-do-not-send="true"
href="mailto:solarwrench@asis.com">solarwrench@asis.com</a>>
wrote:<o:p></o:p></p>
</div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We are looking to install
some 4KW ground mounted arrays. What
racking are you using? Best ground
connection? Wire management? The shows
have so many choices, and I keep doing the
same ol thing...<o:p></o:p></p>
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<p class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><br>
Blessings,<o:p></o:p></span></p>
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<p class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">Kelly<o:p></o:p></span></p>
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<p class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">Kelly
Larson<o:p></o:p></span></p>
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<p
class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">Electrical
Engineer<o:p></o:p></span></p>
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<p
class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">NABCEP
Certified
Solar
PV Installation
Professional<o:p></o:p></span></p>
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<p
class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">IREC
Certified
Master Trainer<br>
CA Electrical
Contractor#
868189<o:p></o:p></span></p>
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<p
class="MsoNormal"><span
style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><a
moz-do-not-send="true" href="http://solarkelly.com/">SolarKelly.com</a><o:p></o:p></span></p>
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