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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'>Surprised to read no one mentioning the Wiley Pass Thru boxes.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>That is what I used on my house, though I had a cranky inspector and wanted to avoid any conflicts.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Yes, they are expensive, but they are UL and easy.<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:7.5pt;font-family:"Californian FB","serif";color:black'>.</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><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"'> RE-wrenches [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Glenn Burt<br><b>Sent:</b> Tuesday, April 27, 2021 11:01 AM<br><b>To:</b> drake.chamberlin@redwoodalliance.org; RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] MC4s are listed for THWN, right?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:10.0pt'>However if it is not listed as compatible with it, why use it?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt'>-Glenn<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'>Sent from my 'smart'phone, so please excuse typos and spelling errors.<o:p></o:p></span></p></div></div></div><div><div id=LGEmailHeader><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'>------ Original message------<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>From: </span></b><span style='font-size:10.0pt'><a href="mailto:drake.chamberlin@redwoodalliance.org">drake.chamberlin@redwoodalliance.org</a><o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>Date: </span></b><span style='font-size:10.0pt'>Tue, Apr 27, 2021 1:42 PM<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>To: </span></b><span style='font-size:10.0pt'>RE-wrenches;<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>Cc: </span></b><span style='font-size:10.0pt'><o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt'>Subject:</span></b><span style='font-size:10.0pt'>Re: [RE-wrenches] MC4s are listed for THWN, right?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p></div></div><pre>On a practical note, MC-4 functions fine with THHN inside a weather <o:p></o:p></pre><pre>proof enclosure. It will not seal, due to<o:p></o:p></pre><pre> the smaller overall diameter <o:p></o:p></pre><pre>of the cable.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>THHN is rated for 90C. It is not sunlight resistant, and should never be <o:p></o:p></pre><pre>used exposed.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>---<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>On <a href="tel:2021-04-26%2023">2021-04-26 23</a>:16, frenergy wrote:<o:p></o:p></pre><pre>> Blake,<o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> Its great to get definitive clarification on this MC4/THHN<o:p></o:p></pre><pre>> issue, we've been using 4-14 Polaris connectors with good results. <o:p></o:p></pre><pre>> Being inside a Nema3 can and having silicone grease in the Polaris<o:p></o:p></pre><pre>> makes for a solid, durable connection. Inspecting some of these that<o:p></o:p></pre><pre>> are now 17 years in the field shows very good condition for the wire<o:p></o:p></pre><pre>> landing in the Polaris and the condition of THWN-2 wire insulation. <o:p></o:p></pre><pre>> We haven't had the best of luck with Buchanans.<o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> Bill<o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> Feather River Solar Electric<o:p></o:p></pre><pre>> Bill Battagin, Owner<o:p></o:p></pre><pre>> 4291 Nelson St.<o:p></o:p></pre><pre>> Taylorsville, CA 95983<o:p></o:p></pre><pre>> <a href="tel:530.284.7849">530.284.7849</a><o:p></o:p></pre><pre>> CA Lic 874049<o:p></o:p></pre><pre>> <a href="http://www.frenergy.net">www.frenergy.net</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> On 4/26/2021 5:41 PM, Blake Gleason wrote:<o:p></o:p></pre><pre>>> Corey,<o:p></o:p></pre><pre>>> <o:p></o:p></pre><pre>>> Thank you! Agreed, the message from Staubli's Eng dept is much less <o:p></o:p></pre><pre>>> confusing (with the exception of the statement about THHN tending to <o:p></o:p></pre><pre>>> be solid vs stranded).<o:p></o:p></pre><pre>>> <o:p></o:p></pre><pre>>> All -<o:p></o:p></pre><pre>>> What are you folks using to transition from PV Wire to THHN/THWN-2 <o:p></o:p></pre><pre>>> inside a junction box? We used to use split bolts, which make an <o:p></o:p></pre><pre>>> awesome electrical connection, but are time-consuming and not easily <o:p></o:p></pre><pre>>> serviceable. Wire nuts (the right ones) are Listed, but never felt <o:p></o:p></pre><pre>>> reliable for that purpose. Same for WAGO levers. I hear about people <o:p></o:p></pre><pre>>> using Buchanan splice caps, but I wonder about trading one set of <o:p></o:p></pre><pre>>> crimping problems for another. And of course, the only problem with <o:p></o:p></pre><pre>>> using THHN in an MC4 is that the compression gland may not<o:p></o:p></pre><pre> be as <o:p></o:p></pre><pre>>> watertight as it is with PVWire, and the Buchanans certainly are not <o:p></o:p></pre><pre>>> watertight. Terminal blocks generally aren't listed, definitely <o:p></o:p></pre><pre>>> aren't watertight, and raise inspectors' eyebrows. Why is this so <o:p></o:p></pre><pre>>> hard for me??<o:p></o:p></pre><pre>>> <o:p></o:p></pre><pre>>> Best,<o:p></o:p></pre><pre>>> Blake<o:p></o:p></pre><pre>>> Thanks<o:p></o:p></pre><pre>>> <o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> --<o:p></o:p></pre><pre>> This email has been checked for viruses by Avast antivirus software.<o:p></o:p></pre><pre>> <a href="https://www.avast.com/antivirus">https://www.avast.com/antivirus</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> _______________________________________________<o:p></o:p></pre><pre>> List sponsored by Redwood Alliance<o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> Pay optional member dues here: <a href="http://re-wrenches.org">http://re-wrenches.org</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> List Address:<a href="mailto:%20RE-wrenches@lists.re-wrenches.org"> RE-wrenches@lists.re-wrenches.org</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> Change listserver email address & settings:<o:p></o:p></pre><pre>> <a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> There are two list archives for searching. When one doesn't work, try <o:p></o:p></pre><pre>> the other:<o:p></o:p></pre><pre>> https<a href="mailto:://www.mail-archive.com/re-wrenches@lists.re-wrenches.org">://www.mail-archive.com/re-wrenches@lists.re-wrenches.org</a>/<o:p></o:p></pre><pre>> <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> List rules & etiquette:<o:p></o:p></pre><pre>> <a href="http://www.re-wrenches.org/etiquette.htm">http://www.re-wrenches.org/etiquette.htm</a><o:p></o:p></pre><pre>> <o:p></o:p></pre><pre>> Check out or update participant bios:<o:p></o:p></pre><pre>> <a href="http://www.members.re-wrenches.org">http://www.members.re-wrenches.org</a><o:p></o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>List sponsored by Redwood Alliance<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Pay optional member dues here: <a href="http://re-wrenches.org">http://re-wrenches.org</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>List Address:<a href="mailto:%20RE-wrenches@lists.re-wrenches.org"> RE-wrenches@lists.re-wrenches.org</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Change listserver email address & settings:<o:p></o:p></pre><pre><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>There are two list archives for searching. 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