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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'>What are you running for combiner boxes and wire to run at 1000 volts?<o:p></o:p></span></font></p><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'>Seems that I remember that fuses are only good for 600 volts and most boxes the same limit? <o:p></o:p></span></font></p><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'>What are you using?<o:p></o:p></span></font></p><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></font></p><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'>Just wondering,<o:p></o:p></span></font></p><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'>Bob Ellison <o:p></o:p></span></font></p><p class=MsoNormal><font size=4 color=black face=Calibri><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></font></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";font-weight:bold'>From:</span></font></b><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b><span style='font-weight:bold'>On Behalf Of </span></b>Jerry Caldwell<br><b><span style='font-weight:bold'>Sent:</span></b> Thursday, November 03, 2011 5:42 PM<br><b><span style='font-weight:bold'>To:</span></b> RE-wrenches<br><b><span style='font-weight:bold'>Subject:</span></b> [RE-wrenches] cable spacing in trenches<o:p></o:p></span></font></p></div></div><p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p><div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>Can anyone direct me to the NEC article that stipulates how many inches of separation must be between cables operating at different voltages?<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>I have a project with PV combiner box home runs at 1,000 volts DC in the same trench with 12.47 kV cables. Table 300.5 shows minimum cover requirements for direct burial cables, but this is the distance beneath grade the cables must be. Is there anywhere in the code that calls for a minimum separation distance between cables at different voltages?<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>Thanks,<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>Jerry Caldwell<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></font></p></div><div><div><div class=MsoNormal align=center style='text-align:center;background:white'><font size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><hr size=1 width="100%" align=center></span></font></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><b><font size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black;font-weight:bold'>From:</span></font></b><font size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Marco Mangelsdorf <marco@pvthawaii.com><br><b><span style='font-weight:bold'>To:</span></b> 'RE-wrenches' <re-wrenches@lists.re-wrenches.org><br><b><span style='font-weight:bold'>Sent:</span></b> Thursday, November 3, 2011 2:27 PM<br><b><span style='font-weight:bold'>Subject:</span></b> [RE-wrenches] under performing Enphase inverters</span></font><font color=black><span style='color:black'><o:p></o:p></span></font></p><div id=yiv2141076340><div><div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>For the first time, several weeks ago, after 40-50 Enphase installs, we’ve come across at least two M210s that we putting out consistently lower outputs than their immediate neighbors.<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>We replaced the two mods first, which made no difference. Then, in consultation with Enphase, replaced the M210s. After replacing them, the power output was as it should be.<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>Now I’ve got another suspect system with several underperforming mods out of (36).<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>Has anyone else had this experience?<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>Thanks,<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>marco<o:p></o:p></span></font></p></div><div><p class=MsoNormal style='background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></font></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'><br>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br>www.re-wrenches.org/etiquette.htm<br><br>Check out participant bios:<br>www.members.re-wrenches.org<br><br><br><o:p></o:p></span></font></p></div></div></div></div></body></html>