<div dir="ltr">Aloha Wrenches,<div><div>I am in the process of familiarizing myself with the upcoming code adoptions here. Big Island has just adopted 2014 and Kauai (KIUC) just went to the 2017 NEC. </div><div>Below is what I have gathered so far on the changes that would apply moving forward. </div><div><br></div><div><ul style="margin-top:0in;margin-bottom:0in" type="disc"><li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">2014</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">My understanding is that most string inverters should take care of ground fault/arc fault compliance.</li>
<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Need a disconnect within 10\u2019 of rooftop array (exterior wiring).</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Microinverters/optimizers automatically take care of this</li>
<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">For PV systems without backup, (i.e. Mauna Loa) can also just install a string inverter within the boundary (no additional cost other than inverters in a bad location) which acts as the disconnect if the inverter shuts down (i.e. turning the breaker off)</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">For PV systems with backup, may need remote shutoff apart from interconnection breaker</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Otherwise a disconnecting combiner is needed</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Labeling requirement changes</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">2017</li>
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<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Changes the 10\u2019 rule to 1\u2019 on the disconnect</li>
<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Also requires control of conductors in the array (optimizers or possibly string level disconnects)</li>
<li class="gmail-MsoListParagraph" style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">Better/cheaper products are likely on the way, but I haven\u2019t seen them yet</li>
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</ul></div><div><br></div><div><br></div><div>Have I missed some things? <br></div><div><br></div><div><br></div><div>Mahalo in advance.</div><div><br></div><div><br></div><div> <br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><p style="font-family:"arial narrow",sans-serif;font-size:small;margin:0in 0in 0pt;background-image:initial;background-position:initial;background-repeat:initial"><b><span style="color:black;font-family:"Californian FB",serif"><font size="2">James B. Rudolph</font></span></b></p><p style="font-family:"arial narrow",sans-serif;font-size:small;margin:0in 0in 0pt;background-image:initial;background-position:initial;background-repeat:initial"><b><span style="color:black;font-family:"Californian FB",serif"><font size="2">HU</font></span></b></p><p style="font-family:"arial narrow",sans-serif;font-size:small;margin:0in 0in 0pt;background-image:initial;background-position:initial;background-repeat:initial"><b><span style="color:black;font-family:"Californian FB",serif"><font size="2">Director of Energy</font></span></b></p><p style="font-family:"arial narrow",sans-serif;font-size:small;margin:0in 0in 0pt;background-image:initial;background-position:initial;background-repeat:initial"><b><span style="color:black;font-family:"Californian FB",serif"><font size="2">ES Electrician # 10816</font></span></b></p><p style="font-family:"arial narrow",sans-serif;font-size:small;margin:0in 0in 0pt;background-image:initial;background-position:initial;background-repeat:initial"><b><span style="color:black;font-family:"Californian FB",serif"><font size="2">NABCEP Certified PV Installer # 091209-155</font></span></b></p><p style="font-family:"arial narrow",sans-serif;font-size:small;margin:0in 0in 0pt;background-image:initial;background-position:initial;background-repeat:initial"><b style="color:rgb(0,0,0);font-family:"Californian FB",serif">808.594.9969</b><br></p></div><div><b><br></b></div><div><b><br></b></div><div><br><b><img alt=""><br></b><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>