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</o:shapelayout></xml><![endif]--></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'>Are the module pv connectors, the same brand as the pv connectors on the Enphase inverters?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'>Bryan Norkunas<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'><a href="mailto:bryan@pv-cables.com">bryan@pv-cables.com</a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img border=0 width=140 height=140 id="Picture_x0020_1" src="cid:image001.png@01D637E6.633C24A0" alt="Description: Description: PV-Cables_Logo_Transparent_Bkgnd_140x140"><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:16.0pt;font-family:"Californian FB","serif";color:#1F497D'>PV-Cables Inc. <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'>989 Milton Ave Ste 1D<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'>Ferndale CA 95536</span></b><b><span style='font-family:"Californian FB","serif";color:#1F497D'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'>(707) 923-3000 office<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'><a href="http://www.pv-cables.com/">www.pv-cables.com</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Californian FB","serif";color:navy'> </span><span style='font-size:10.0pt;font-family:"Californian FB","serif";color:#00497E'><img border=0 width=25 height=23 id="Picture_x0020_2" src="cid:image002.jpg@01D637E6.633C24A0" alt="Description: Description: cid:image002.jpg@01CD22E8.974B6470"> </span><span style='font-size:10.0pt;font-family:"Californian FB","serif";color:navy'>Please print only if necessary.</span><span style='font-size:11.0pt;font-family:"Californian FB","serif";color:navy'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Californian FB","serif";color:navy'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Californian FB","serif";color:black'>NOTE: This email message and any attachments are for the sole use of the intended recipient(s) and may contain confidential and/or privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by replying to this email, and destroy all copies of the original message.</span><span style='font-family:"Californian FB","serif";color:navy'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></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:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Jason Szumlanski<br><b>Sent:</b> Monday, June 1, 2020 7:24 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Enphase intermittent breaker trippjng<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Well, that didn't resolve it. The main breaker and a branch circuit breaker tripped again a few days ago. It was the same branch this time. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>As my next diagnostic step I swapped two circuits (on which breaker they are landed). If history is a guide, it will work for about two weeks and then trip again.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'm dumbfounded. I really don't want to have to tear this whole system apart. At this point, if I have to remove all the modules, I feel that I need to replace all of the trunk cable which is an expensive proposition. I really don't know what else to do at this point.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Jason<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, May 25, 2020, 10:43 AM Jason Szumlanski <<a href="mailto:jason@floridasolardesigngroup.com">jason@floridasolardesigngroup.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>I strongly suspect the CH240 combined breaker was compromised (we will see). Since it happened that two different strings tripped, I doubt I have two microinverters with internal faults. It has to be the combined breaker. I was just surprised that branch circuit breakers were tripping simultaneously with the combined output breaker.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Of all the supply side connected systems I have installed, I have never seen a combined output fusible disconnect fuse blow, but I have seen many combined output breakers tripped. I was worried early on that I would be replacing fuses constantly, but that has not been an issue whatsoever.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><div><div><div><div><div><div><div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0><tr style='height:13.8pt'><td rowspan=2 style='padding:0in 0in 0in 0in;height:13.8pt'></td><td rowspan=2 style='padding:0in 0in 0in 0in;height:13.8pt'></td><td style='height:13.8pt;border:none' width=0 height=18></td></tr><tr style='height:13.8pt'><td style='height:13.8pt;border:none' width=0 height=18></td></tr></table><p class=MsoNormal align=center style='text-align:center'><b><o:p> </o:p></b></p></div></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Thu, May 21, 2020 at 11:15 AM <<a href="mailto:scot.arey@solarcentex.com" target="_blank">scot.arey@solarcentex.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Actually, we had a IQ7 string loaded up to its max panel size and max string length and in the spring on cool, clear day, it tripped the string\u2019s associated breaker in the Enphase combiner.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>We reset but of course that breaker was impaired and it tripped again. We replaced and never had an issue going forward. We suspect the breaker was less than perfect from the start as we\u2019ve add equally nice days since.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>This almost reminds me of loading up Outback FM80. It says 4,000 watts but in reality, 3,600 is the max when amps spike. I will be extra careful going forward on IQ7 string length when going to the max published\u2026<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My story.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Scot<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><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>From:</b> RE-wrenches <<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>> <b>On Behalf Of </b>Jason Szumlanski<br><b>Sent:</b> Thursday, May 21, 2020 8:57 AM<br><b>To:</b> RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br><b>Subject:</b> [RE-wrenches] Enphase intermittent breaker trippjng<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I'm trying to resolve an intermittent frustrating problem with and Enphase IQ system. There are three AC Branch circuits of 9 microinverters each coming into an Enphase AC combiner. <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What has been happening is one of the BR220 branch circuit breakers and the combine CH240 breaker in the main backfed load center have been tripping simultaneously. It has happened about four times in the last 6 months. It was always the same branch circuit breaker, so we kept investigating that string, checking the junction box, trunk cable, and cap, etc. Finally we swapped out the BR220 breaker. <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Fast forward 4 weeks, and we got another call. This time a different branch circuit breaker and the main breaker tripped simultaneously. We checked that branch circuit and could not find any fault. It seems unlikely that two branch circuit breakers would be faulty, so we have now switched out the CH240 main breaker in hopes that it is the culprit. <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I'm not totally confident in this resolution and I have my fingers crossed. If that doesn't work, does anyone have any suggestions on another diagnostic step? These intermittent problems are a major hassle. One thought I had was to switch to a supply side interconnection with a fusible disconnect. Maybe the intermittent fault would blow one of the two line fuses so at least I could narrow it down to which line the fault is on if there is in fact a fault.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have experienced two other tripping breaker issues with Enphase systems in the past. Neither of them were systems I installed. One turned out to be branch circuits that were not properly paired up and landed on different breakers. Another time we had an inverter with an internal fault which eventually"blew up" with a loud popping noise and smoke billowing out of it. That happened after resetting a trip breaker multiple times. This case seems to be unrelated to those issues. I'm perplexed. <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Jason Szumlanski<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Florida Solar Design Group<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br><br>Change listserver email address & settings:<br><a href="https://mailtrack.io/trace/link/796b1796eb4c075a74298513a530f62e4a496cb2?notrack=1&url=http%3A%2F%2Flists.re-wrenches.org%2Foptions.cgi%2Fre-wrenches-re-wrenches.org&userId=1613865&signature=c7dea131fd9cb45a" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="https://mailtrack.io/trace/link/c06e48af2da3d129a58c08ef2043bd2d8fcbef6f?notrack=1&url=http%3A%2F%2Fwww.mail-archive.com%2Fre-wrenches%40lists.re-wrenches.org%2Fmaillist.html&userId=1613865&signature=06899a19621f54d8" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br><br>List rules & etiquette:<br><a href="https://mailtrack.io/trace/link/215cb4d0fcfb04e4124aae9b2616249f1eef5542?notrack=1&url=http%3A%2F%2Fwww.re-wrenches.org%2Fetiquette.htm&userId=1613865&signature=8bc84049c81c183c" target="_blank">www.re-wrenches.org/etiquette.htm</a><br><br>Check out or update participant bios:<br><a href="https://mailtrack.io/trace/link/27c3e706e7f2b4836b1669b31c9454db7fee1b52?notrack=1&url=http%3A%2F%2Fwww.members.re-wrenches.org&userId=1613865&signature=4a75a2d55681f39a" target="_blank">www.members.re-wrenches.org</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><b>Error! 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