<div dir="auto">Inspectors in my area require the conduit terminations be packed with duct seal for this reason to avoid condensation build up in j boxes. </div><div dir="auto"><br></div><div dir="auto">Every intermittent insulation/isolation test failure I’ve ever meggered and resolved has been the result of moisture, either condensation or heavy rain permeating a termination enclosure, or a defective panel admitting moisture.</div><div dir="auto"><br clear="all"><div dir="auto"><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt;color:rgb(0,0,0)"><span style="font-size:10pt;font-family:Arial"><a name="SignatureSanitizer__MailAutoSig" style="font-family:Arial"><b style="font-family:Arial">Kirk Herander / </b></a><b style="font-family:Arial"><a href="mailto:kirkh@vermont.solar" title="Send an email to kirkh@vermont.solar; Send an email to kirkh@vermont.solar" style="font-family:Arial;color:blue" target="_blank">kirkh@vermont.solar</a></b></span></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt;color:rgb(0,0,0)"><span style="font-size:10pt;font-family:Arial"><b style="font-family:Arial">Owner|Principal, VT Solar, LLC</b></span></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt;color:rgb(0,0,0)"><span style="font-size:10pt;font-family:Arial"><b style="font-family:Arial"><i style="font-family:Arial">Celebrating our 34<sup style="font-family:Arial">st</sup> Anniversary 1991-2025!!</i></b></span></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt;color:rgb(0,0,0)"><span style="font-size:10pt;font-family:Arial">dba Vermont Solar Engineering</span><br></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt;color:rgb(0,0,0)"><span style="font-size:10pt;font-family:Arial">802.559.1225</span></p></div></div></div></div><div><br></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, May 8, 2025 at 3:57 PM david quattro via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir="auto">Fronius install manual says the conduit entry ports need to be packed with putty around the wires. They’re the only manufacturer I know of that requires this. Water vapor roses into the circuit boards.    I used to get a couple different error codes until we packed the conduits.</div><div dir="auto">   Good luck, and let us know!</div><div dir="auto"><br></div><div dir="auto"><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, May 8, 2025 at 12:22 PM Dave Tedeyan via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir="ltr"><div><div>Hello, </div><div><br></div><div>There is an installation that I am servicing with the Q.Peak G4 modules, where one <span>cell</span> has some visible <span>damage</span>. I am wondering whether this type <span>damage</span> can lead to a ground fault? The Fronius inverter on site is picking up an "Insulation Resist" error. I am wondering whether this could be the cause, or whether I should look elsewhere in the array. A photo is attached. Any thoughts would be appreciated.</div><div><br></div><div>Thanks!</div><div>Dave</div></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><br style="color:rgb(34,34,34)"><div dir="ltr" style="color:rgb(34,34,34)"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"></div></div></div><div dir="ltr"><table cellpadding="0" cellspacing="0" style="border-spacing:0px;border-collapse:collapse;width:525px;font-size:11pt;font-family:Arial,sans-serif;color:rgb(68,68,68)"><tbody style="font-family:Arial,sans-serif"><tr style="font-family:Arial,sans-serif"><td width="125" valign="top" rowspan="6" style="padding:0px 10px 0px 0px;font-size:10pt;border-right-width:1px;border-right-style:solid;width:125px;vertical-align:top;font-family:Arial,sans-serif;border-right-color:rgb(236,189,0)"><a href="https://www.sungineersolar.com/" style="font-family:Arial,sans-serif;background-color:transparent;color:rgb(51,122,183)" target="_blank"><img border="0" alt="Logo" width="105" src="https://sungineersolar.com/wp-content/uploads/2019/08/Logo-Image-Only-1.png" style="border: 0px; vertical-align: middle; width: 105px; height: auto; font-family: Arial, sans-serif;"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