<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>A product I have used for years is called lexel </div><div>It's paintable scrubbable and it's got strong adhesive in it you can put on a wet surface it will seal !</div><div><br></div><div>I have it on some antenna connections that have been there for better than 25 years and it is still there doing the job</div><div><br></div><div>I wouldn't hesitate to put A dab around the glands on the ends where the wire comes out</div><div><br></div><div>For the center connections where they join I would probably wrap it in electrical tape to cover the seam and then put this over the tape</div><div><br></div><div>I wouldn't want to bet that in six months or five years or longer if you don't have that taped over that you're going to get the stuff to let you open those without cutting it off</div><div><br></div><div>If sealing is the problem this will seal it, no if's and's or buts about it !</div><div><br></div><div>Later, </div><div>Bob Ellison </div><div><br></div><div><br></div><div><br></div><div><br>On Jun 6, 2016, at 11:14 PM, jay <<a href="mailto:jay.peltz@gmail.com">jay.peltz@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html charset=utf-8">Hi Kirk,<div class="">the connectors if done correctly are water tight. </div><div class="">There are few thoughts as to issues.</div><div class=""><br class=""></div><div class="">wrong sized gland nut</div><div class="">incorrectly tightened</div><div class="">if double jacketed wire, the outer layer could have come lose allowing water in.</div><div class="">are they real MC-4?</div><div class=""><br class=""></div><div class="">debris during installation allowing damaged O rings</div><div class=""><br class=""></div><div class="">Can’t think of much else. but way to many of them out there for it to be a OEM problem.</div><div class=""><br class=""></div><div class="">jay</div><div class="">peltz power</div><div class=""><div><blockquote type="cite" class=""><div class="">On Jun 6, 2016, at 2:28 PM, Kirk Herander <<a href="mailto:vtsolar@icloud.com" class="">vtsolar@icloud.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class="">Hello,<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class="">I am debugging a Florida ocean-side 35 kw array using 4 year old Canadian Solar panels, which I’ve never had a high opinion of, installed by others.<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class="">I’ve discovered several not-so-good problems, such as low insulation resistance through the panels, ONLY when raining, early to mid-morning condensation, or by using the last resort of spraying the panels with a garden house and watching the SMA inverters shut down due to failing their self “Riso” (that’s the IRT) test creating a ground fault error.<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class="">That aside, what’s just as interesting is that about 8 or 9 of the module interconnections were basically oozing the aqua-blue copper tarnish. I’ve never seen this in any installation before. Either the MC4s weren’t crimped and tightened at the factory well, or the connectors were seated poorly, although that doesn’t seem to be the case. BTW, I replaced all these dubious MC4 connectors and the ground faults still occur when the panels are wet.<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class="">The bigger issue is the panel warranty, but is there anything on the market which could seal these connections, perhaps a type of “clamshell” to provide an extra layer of protection, which is removable if need be? There’s always glue-filled heat shrink, but ideally I don’t want anything permanent surrounding the connectors.<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class="">Has anyone ever seen what I’m describing in a marine environment?<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 18pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 16pt;" class="">Kirk Herander<o:p class=""></o:p></span></b></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 16pt;" class="">Owner|Principal, VT Solar, LLC<span class="Apple-converted-space"> </span><o:p class=""></o:p></span></b></div><div style="margin: 0in 0in 0.0001pt; 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