<div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Kris, <br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I'm just looking into re-stocking some cable ties and came across this thread when searching my email for cable tie/management part numbers...<br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">The photos you shared remind me of a system i saw recently that was installed by a competitor here (and who happens to teach a PV install training course). The system i saw is similar in that there are many PV wires clearly visible, unprotected and laying on the roof and these are a perfect example of inspectors not doing their job properly.<br><br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I get it that "liability" keeps electrical inspectors from climbing ladders onto the roof to inspect the array install up close, but when poor wire management like these examples can clearly be seen from the ground and the inspectors are not noting the wire management (or lack of) as a deficiency.... they are either not properly trained in what to look for and have no place inspecting PV systems or are simply not doing their job properly and have no place inspecting anything.<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><p style="font-size:13px;margin:0px;padding:1em 0px;text-align:justify;color:rgb(0,0,0);font-family:helvetica,sans-serif;line-height:18px"></p><div style="text-align:left"><b style="margin:0px;padding:0px">Benn Kilburn <span style="font-size:9px"></span></b></div>
<div style="text-align:left">CSA Certified Solar Photovoltaic Systems Electrician, SkyFire Energy Inc</div><div style="text-align:left">6706 – 82 Ave NW | Edmonton, AB | T6B 0E7</div><div style="text-align:left">P: 780-474-8992 | F: 888-405-5843 | <a href="http://www.skyfireenergy.com/" style="margin:0px;padding:0px;color:rgb(240,140,0);text-decoration:none;border-width:0px;border-style:none" target="_blank">www.skyfireenergy.com</a></div>
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<br><div class="gmail_quote">On Fri, Dec 11, 2015 at 9:01 AM, Kristopher Schmid <span dir="ltr"><<a href="mailto:solman@legacysolar.com" target="_blank">solman@legacysolar.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I just have to post an example of how to do it wrong (courtesy of one of my competitors). Pictures attached. This passed an inspection...<br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Wed, Dec 9, 2015 at 8:06 AM, Rebekah Hren <span dir="ltr"><<a href="mailto:rebekah.hren@gmail.com" target="_blank">rebekah.hren@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi, <div>Wondering if anyone has insight into Code requirements for securing/supporting PV wire behind the modules? </div><div><br></div><div>I am aware that USE-2 sends you to Section 334.30 requirements for Type NM (12" from box, every 4.5 '). </div><div><br></div><div>However, I think this is totally bogus, for 2 reasons. </div><div>1) Section 338.10(B)(4)(b) that refers the NM article is titled "Branch circuits or Feeders." These are PV source and output circuits, not branch circuits or feeders. </div><div><br></div><div>2) it is nearly IMPOSSIBLE to secure the PV wire within 12" of the module junction box for many modules, especially in landscape wiring, without causing more harm than good, too tight a bending radius, stress on conductors. </div><div><br clear="all"><div>334.40(B) maybe leaves a little wiggle room for concealed spaces in structures where it is impracticable to support. </div><div><br></div><div>My big problem here is that both requirements of 334.30 are useless or harmful to PV systems. 12" to the box is often impossible, and 4.5" feet is too long to go without any support behind the array!!! I just noticed there was a proposal in 2017 to Codify the 334.40 requirements for PV cables and so I guess I only have myself to blame for not writing a better proposal at this point. </div><span><font color="#888888"><div><br></div><div>Rebekah</div>-- <br><div><div dir="ltr">Tel: <a href="tel:336.266.8800" value="+13362668800" target="_blank">336.266.8800</a><br>NABCEP Certified Solar PV Installation Professional™ 091209-85<br>NC Licensed Electrical Contractor</div></div>
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<br></span></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br><div><div dir="ltr">Shine On!<br><br>Kris Schmid<br>Legacy Solar, LLC<br>864 Clam Falls Trail<br>Frederic, WI 54837<br><a href="http://www.legacysolar.com/" target="_blank">www.legacysolar.com</a><br><a href="tel:715-653-4295" value="+17156534295" target="_blank">715-653-4295</a><br>NABCEP Certified PV Installer<br>Licensed Wisconsin Master Electrician<br>BSEE<div style="padding:0px;margin-left:0px;margin-top:0px;overflow:hidden;word-wrap:break-word;color:black;font-size:10px;text-align:left;line-height:130%"></div></div></div>
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