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True, but, the intent of the Code is not to always allow the
interconnection of the maximum amount of PV power possible, so long
as an over-current event cannot occur.<br>
<br>
Here we see Code that prevents over-current events in all cases. I
guess you could say that that is it's intent.<br>
<br>
Sadly, the case you show would not be one of those allowed.<br>
<br>
Happily, many that would not have been allowed in the past are now
allowed.<br>
<br>
This is called progress.<br>
<br>
<div class="moz-cite-prefix">On 4/19/2017 4:31 PM, August Goers
wrote:<br>
</div>
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<p class="MsoNormal"><span style="color:windowtext">Right, but
if we limit the load breakers to the bus rating per </span>NEC
705.12(B)(2)(3)(c), then there will never be an overcurrent
event.</p>
<p class="MsoNormal"><span style="color:windowtext"> </span></p>
<p class="MsoNormal"><span style="color:windowtext">August</span></p>
<div>
<div style="border:none;border-top:solid #e1e1e1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
style="color:windowtext"> RE-wrenches [mailto:<a
moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>Mark Frye<br>
<b>Sent:</b> Wednesday, April 19, 2017 4:18 PM<br>
<b>To:</b> RE-wrenches <<a moz-do-not-send="true"
href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br>
<b>Subject:</b> Re: [RE-wrenches] NEC 705.12(B)(2)(3)(c)
intention</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p>If your sketch shows that there are 200A of breakers in the
sub panel and 200A of breakers in the main, then, no, that
would not be the intent. The lug kit makes the two separate
bars into a single bar.<span style="font-size:12.0pt"></span></p>
<p>Mark</p>
<div>
<p class="MsoNormal">On 4/19/2017 3:29 PM, August Goers wrote:</p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi Wrenches –</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Now that we’re in the 2014 NEC, we’ve
increasingly been using the NEC 705.12(B)(2)(3)(c)
interconnection method:</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><img
style="width:4.6458in;height:2.9687in"
id="Picture_x0020_1"
src="cid:part3.3E24D755.2D54F2F1@berkeleysolar.com"
alt="imap://markf@mail.lmi.net:143/fetch%3EUID%3E.Re-Wrenches%3E12200?header=quotebody&part=1.1.2&filename=image001.png"
height="285" width="446"></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">This is a great way of putting lots of PV
on a panel when there are few loads. As long as the total
breaker rating (excluding the supply breaker) equals the bus
rating or less, we’re good to go. However, we recently ran
into a panel that had a lug subfeed kit installed in it. </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Do you think the intention of the code is
to allow something like shown in this sketch?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><img style="width:9.302in;height:5.25in"
id="Picture_x0020_2"
src="cid:part4.60D56FC8.2B03FE1C@berkeleysolar.com"
height="504" width="893"></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Cheers,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">August</p>
<p class="MsoNormal">Luminalt</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif"><br>
<br>
<br>
</span></p>
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