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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Jason,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Glenn's point below sounds correct to me. We've run several microinverter projects with romex, but always have to do the transition in the attic because romex is not rated for wet locations. Some of the local jurisdictions around the Bay Area are onto this point.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Also, NEC 250.64(B) deals with "securing and protection against physical damage" for the GEC. You're probably fine running a bare 6 or 4 AWG, but anything smaller than 6 AWG "shall be in rigid metal conduit, intermediate metal conduit, rigid nonmetallic conduit, electrical metallic tubing, or cable armor." So no bare 8 AWG allowed.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I believe you can also use 4/3 romex which should have a #8 ground in it already but that might increase your wire cost.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Best,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">August</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><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""> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Glenn Burt<br>
<b>Sent:</b> Thursday, October 25, 2012 8:37 AM<br><b>To:</b> 'RE-wrenches'<br><b>Subject:</b> Re: [RE-wrenches] Enphase and Romex</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Soladeck on the rooftop places it in an environment that is considered ‘wet’.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I don’t think Romex is listed for use in a wet environment.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">This would force you to use the proposed jbox in the attic for the transition location.</span></p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I also understood that you could combine the EGC and GEC into a single conductor as long as it is continuous or irreversibly spliced, as part of the ’08 code.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">-Glenn Burt</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","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""> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Jason Szumlanski<br>
<b>Sent:</b> Thursday, October 25, 2012 9:13 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> [RE-wrenches] Enphase and Romex</span></p><p class="MsoNormal"> </p><p class="MsoNormal">I'm sure this has been covered, but I could not find it in the archives.</p>
<div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">We are considering using Romex in the attic for the first time. My plan was to use the new Enphase coupler to connect the trunk cable to Type TC-ER, enter a Soladeck passthrough box on the roof into a junction box in the attic where I would make the transition to 10/3 Romex. I'm hung up on the GEC going back to the service panel. Any suggestions?</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt">By the way, we are on NEC 2008, and in most cases there is also a requirement for an additional grounding electrode per NEC 690.47(D) (that shouldn't really relate to my issue).</p>
<div id="WISESTAMP_SIG_2952"><div><div style="margin-bottom:6.0pt"><p style="margin:0in;margin-bottom:.0001pt"><strong><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:gray">Jason Szumlanski</span></strong><em><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:gray"> </span></em><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><em><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:gray">Fafco Solar</span></em><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""></span></p>
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