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<div class=""><div class=""><p><font face="Times"><b>Fuses for PV dc circuits do not have to be readily accessible:</b></font></p><p><span style="font-family:Times;font-weight:700">690.9(D) Photovoltaic Source </span><span style="font-family:Times;font-weight:700">Circuit </span><span style="font-family:Times;font-weight:700">and Output</span></p>
</div></div><div class=""><div class=""><p><span style="font-family:Times">Listed PV </span><span style="font-family:Times">overcurrent devices shall be required to provide overcurrent </span><span style="font-family:Times">protection in PV source and output circuits. The overcur</span><span style="font-family:Times">rent devices shall be accessible but shall not be required to </span><span style="font-family:Times">be readily accessible. </span></p>
</div></div><p><span style="font-family:Times;font-weight:700">The language allowing j-boxes under modules has been in the NEC for many cycles: </span></p><p><span style="font-family:Times;font-weight:700">690.34 Access to Boxes. </span><span style="font-family:Times">Junction, pull, and outlet boxes
located behind modules or panels shall be so installed that
the wiring contained in them can be rendered accessible
directly or by displacement of a module(s) or panel(s) secured by removable fasteners and connected by a flexible
wiring system. </span></p><p><span style="font-family:Times">A dc combiner is now defined in the 2014 Code as a device/equipment and thus outlet might have it covered. I think there is an argument to be made that a box containing overcurrent protection can be positioned under a module. However I don't think it's a great idea and wouldn't want to maintain a system with fuses on a roof under the array, but this seems like a grey area in the Code and getting the AHJ interpretation would be advisable. </span><br>
</p><p><span style="font-family:Times">Rebekah Hren</span></p><p><span style="font-family:Times"><br></span></p><p><span style="font-family:Times"><br></span></p><p><br></p><div class="" title="Page 627"><div class=""><div class="">
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</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Apr 28, 2014 at 4:52 PM, Michael Morningstar <span dir="ltr"><<a href="mailto:mjmorningstar@gmail.com" target="_blank">mjmorningstar@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div style="word-wrap:break-word">Readily accessible is now defined in the 2014 NEC. Installing OCPD’s underneath a module is a major faux paux, and I can’t imagine any AHJ thinking otherwise. Having to remove a module in order to reset a breaker, what a drag.<br>
<div><br><div><span style="color:rgb(49,52,52);font-size:16px;font-family:'Trebuchet MS',Arial,sans-serif">"Capable of being reached quickly for operation, renewal or inspection without requiring those concerned to use a tool, to climb over, remove obstacle or other.</span><font color="#313434" face="Trebuchet MS, Arial, sans-serif" size="3">”</font></div>
<span class=""><font color="#888888"><div><span style="color:rgb(49,52,52);font-size:16px;font-family:'Trebuchet MS',Arial,sans-serif"><br></span></div><div><span style="color:rgb(49,52,52);font-size:16px;font-family:'Trebuchet MS',Arial,sans-serif">Michael</span></div>
</font></span><div><div class="h5"><div><br></div><div><br></div><div><br></div><div><font color="#313434" face="Trebuchet MS, Arial, sans-serif" size="3"><span style><br></span></font><div><div>On Apr 28, 2014, at 10:29 AM, William Miller <<a href="mailto:william@millersolar.com" target="_blank">william@millersolar.com</a>> wrote:</div>
<br><blockquote type="cite">You call it a solar panel, I call it a glass j-box cover plate. <br><br>William<br><br>Miller Solar<br><br><blockquote type="cite">On Apr 28, 2014, at 9:21 AM, Jason Szumlanski <<a href="mailto:jason@fafcosolar.com" target="_blank">jason@fafcosolar.com</a>> wrote:<br>
<br>If that is the interpretation,<br>I don't see how the breakers are "readily accessible" in a SolaDeck<br>mounted anywhere, regardless of whether it is under a module. It<br>requires removal of four screws (using a tool) to access the breakers<br>
inside the enclosure. It's all up to the AHJ. It has not been an issue<br>locally here. I can see how other jurisdictions may not<br>concur.<br></blockquote>_______________________________________________<br>List sponsored by Home Power magazine<br>
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