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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">Gary:</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">I think the issue of PV wiring behind module that are readily accessible is addressed in (2014) 690.31: </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">Where PV source and output circuits operating at maximum</span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">system voltages greater than 30 volts are installed in</span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">readily accessible locations, circuit conductors shall be</span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">guarded or installed in a raceway.</span></i></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">I am not sure what application the original poster had in mind, but this is the question I think you are asking. The interpretation to 690.31 seems clear to me: No one should be able to touch the conductors without resorting to a ladder, opening a locked gate or removing a protective panel. Readily accessible is defined thusly:</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">Capable of being </span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">reached quickly for operation, renewal, or inspections</span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">without requiring those to whom ready access is requisite</span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">to actions such as to use tools, to climb over or remove</span></i></p><p class="MsoNormal"><i><span style="font-family:"Arial","sans-serif";color:#1f497d">obstacles, or to resort to portable ladders, and so forth.</span></i></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">Implementing this is harder than it might seem. Lacking a fence, the installer must either use the flimsy solar-scrim product or fabricate his or her own shielding. We have put a fair amount of effort towards this. See <a href="http://www.millersolar.com/MillerSolar/practices/PV_wiring/Wire_shielding/_Wire%20Shielding_history.html">link</a>.</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">William</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><img border="0" width="64" height="28" id="Picture_x0020_1" src="cid:image003.jpg@01D0E6ED.DE2811F0" alt="Gradient Cap_mini"><br>Lic 773985<br><a href="http://www.millersolar.com/"><span style="color:blue">millersolar.com</span></a><br>805-438-5600</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"> </span></p><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""> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>gary easton<br><b>Sent:</b> Friday, September 04, 2015 2:22 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Guarding against live parts 690.7 (D)</span></p><p class="MsoNormal"> </p><p class="MsoNormal">Bill </p><div><p class="MsoNormal">Are you saying there is no requirement to shield wires on a ground array?<br><br>On Friday, September 4, 2015, <<a href="mailto:billbrooks7@sbcglobal.net">billbrooks7@sbcglobal.net</a>> wrote:</p><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Craig,</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">This one is easy to misinterpret. You missed the words “live parts”. This has been removed from the 2017 NEC because it is actually referring to load circuits being fed directly by a PV system on the dc side. All references to loads and batteries are being removed from 690.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">This is a complete non-issue.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Bill.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> RE-wrenches [mailto:<a href="javascript:_e(%7B%7D,'cvml','re-wrenches-bounces@lists.re-wrenches.org');" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Craig Gerald Buttke<br><b>Sent:</b> Thursday, September 03, 2015 11:44 AM<br><b>To:</b> <a href="javascript:_e(%7B%7D,'cvml','re-wrenches@lists.re-wrenches.org');" target="_blank">re-wrenches@lists.re-wrenches.org</a><br><b>Subject:</b> [RE-wrenches] Guarding against live parts 690.7 (D)</span></p></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:13.5pt;font-family:"Century Schoolbook","serif""><br><br>How is everyone handling 690.7 (D)</span></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Times","serif"">Circuits over 150 Volts to Ground. </span></b><span style="font-size:10.0pt;font-family:"Times","serif"">In one- and two- family dwellings, live parts in photovoltaic source circuits and photovoltaic output circuits over 150 volts to ground shall not be accessible to other than qualified persons while energized. </span></p></div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:13.5pt;font-family:"Century Schoolbook","serif""><br><br>If you have a commercial (non one or two-family dwelling) are you screening your ground mount arrays to keep people from touching live conductors PV wires)?</span><br><br>Thanks for your thoughts</p><pre>-- </pre><pre>Yours in Solardarity,</pre><pre> </pre><pre>Craig Gerald Buttke</pre><pre> </pre><pre>M:(715) 630-1227</pre><pre>O:(715) 630-6451</pre><pre>F:(715) 952-4501</pre><pre> </pre><pre>North Wind Renewable Energy, LLC</pre><pre>1626C W Pearl Street</pre><pre>Stevens Point, WI 54481</pre><pre> </pre><pre><a href="http://www.northwindre.com" target="_blank">www.northwindre.com</a></pre><pre> </pre><pre>NABCEP Certified PV Installation Professional™</pre><pre>NABCEP Certified PV Technical Sales Professional™</pre><pre>State of WI: Master Electrician</pre></div><p class="MsoNormal" style="margin-bottom:12.0pt"> </p><div class="MsoNormal" align="center" style="text-align:center"><hr size="2" width="99%" noshade style="color:#909090" align="center"></div><table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse"><tr><td style="padding:0in 11.25pt 0in 6.0pt"><p class="MsoNormal"><a href="https://www.avast.com/antivirus" target="_blank"><span style="text-decoration:none"><img border="0" id="_x0000_i1026" src="http://static.avast.com/emails/avast-mail-stamp.png" alt="Avast logo"></span></a></p></td><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-family:"Calibri","sans-serif";color:#3d4d5a">This email has been checked for viruses by Avast antivirus software. <br><a href="https://www.avast.com/antivirus" target="_blank">www.avast.com</a> </span></p></td></tr></table><p class="MsoNormal"> </p></div></div><p class="MsoNormal"><br><br>-- <br>Sent from Gmail Mobile</p></div></body></html>