<div dir="ltr">I agree that the exact placarding will depend on your AHJ, but you will certainly want one that says something like "This breaker panel is for combining solar inverter outputs. Do not add any additional breakers or make any circuit connections".<div class="gmail_extra">
<br clear="all"><div><div dir="ltr">----<br><b>Mark Westbrock</b><br>Field Manager & Employee-Owner<div>NM EE98J Journeyman Electrician<br>NABCEP Certified PV Installation Professional<div>NABCEP Certified PV Technical Sales<br>
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Positive Energy, Inc.<br><div>510 S. Main St.</div><div>Las Cruces, NM 88001<br>office: 575-524-2030<br>cell: 575-640-2432<br><a href="mailto:westbrock@positiveenergysolar.com" target="_blank">mw@positiveenergysolar.com</a><br>
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<br><br><div class="gmail_quote">On Fri, Jul 11, 2014 at 3:45 PM, Jason Szumlanski <span dir="ltr"><<a href="mailto:jason@fafcosolar.com" target="_blank">jason@fafcosolar.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div style="font-family:verdana,sans-serif">I'd spring a few extra bucks for the QO line of panels. Better bus bar, better breakers, more common breakers (availability), etc.</div>
<div style="font-family:verdana,sans-serif"><br></div><div style="font-family:verdana,sans-serif">To answer your question, it depends on the interconnection method. Load side? Line side? Fusible disconnect or safety switch ahead of it? And some jurisdictions have their own opinion.</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jul 10, 2014 at 5:08 PM, Corey Shalanski <span dir="ltr"><<a href="mailto:cshalanski@joule-energy.com" target="_blank">cshalanski@joule-energy.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Wrenches,<div><br></div><div>We have reevaluated our approach to combining multiple inverters and have settled on a SqD HOM612L100RB as a suitable solution - it is readily available from our local supply house for ~$25 and accommodates up to three full-size 2-pole breakers.</div>
<div><br></div><div>What - if any - labels do you install on these panels: "AC (Solar) Combiner Panel"? 705.12(D)(4)? Other recommendations?</div><div><br></div><div>Thanks.</div><div><br></div><div>--</div><div>
Corey Shalanski</div><div>Joule Energy</div><div>New Orleans, LA<br><div hspace="streak-pt-mark" style="max-height:1px"><img style="width:0px;max-height:0px" src="https://mailfoogae.appspot.com/t?sender=aY3NoYWxhbnNraUBqb3VsZS1lbmVyZ3kuY29t&type=zerocontent&guid=a4d092da-f091-4d5c-aec7-91cdce83a9f5"><font color="#ffffff" size="1">ᐧ</font></div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Jun 27, 2014 at 12:41 PM, <span dir="ltr"><<a href="mailto:re-wrenches-request@lists.re-wrenches.org" target="_blank">re-wrenches-request@lists.re-wrenches.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
Message: 6<br>
Date: Fri, 27 Jun 2014 12:41:52 -0400<br>
From: Jason Szumlanski <<a href="mailto:jason@fafcosolar.com" target="_blank">jason@fafcosolar.com</a>><br>
To: RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>
Subject: Re: [RE-wrenches] Combining Multiple Inverters<br>
Message-ID:<br>
<<a href="mailto:CAJJtG3qZAXb-UGKKoTUPPtD81ncnxv0uZiD_FRJfaP5jo4FdSQ@mail.gmail.com" target="_blank">CAJJtG3qZAXb-UGKKoTUPPtD81ncnxv0uZiD_FRJfaP5jo4FdSQ@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Dave,<br>
<br>
I looked at the BR24L70RP a while back. It's really a 2-space, 4 cuircuit<br>
panel. I think my conclusion was you actually need a single quadplex<br>
breaker with common trip center and outer breakers to get (2) 2-pole<br>
breaker functionality. The quadplex breakers come in a variety of mixed<br>
rating (i.e. 15A center and 20A outer breakers). They are not readily<br>
stocked and not cheap. We stuck with Sq D QO load centers for that reason.<br>
<br>
Am I missing something?<br>
<br>
<br>
Jason Szumlanski<br></blockquote></div></div></div></div></blockquote></div></div></div>
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