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Mark,<br>
<br>
NEC 230.2(A) specifically allows two services for parallel power
production sources. While a feeder from the house is technically not
the same as a service, it should be allowed provided that there is a
disconnect grouped with the main service disconnect. A discussion with
the inspector ahead of time should make this work smoothly.<br>
<br>
Kent Osterberg<br>
Blue Mountain Solar<br>
<br>
<br>
Mark Frye wrote:
<blockquote cite="mid:F7255AA45F2041AE8395271F61F86886@marksdell"
type="cite">
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<div dir="ltr" align="left"><span class="171071013-18042011"><font
color="#0000ff" face="Arial" size="2">Thanks Nick,</font></span></div>
<div dir="ltr" align="left"><span class="171071013-18042011"></span> </div>
<div dir="ltr" align="left"><span class="171071013-18042011"><font
color="#0000ff" face="Arial" size="2">250 talks about two seperate
buildings with one service, and 230 talks about one building with two
services.</font></span></div>
<div> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="171071013-18042011">I don't think this particular situation has
been contempated by the Code.</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="171071013-18042011"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="171071013-18042011">How big a deal would it be to just bond the
two ground electrode systems together and go along my merry way?</span></font></div>
<div><br>
<span lang="en-us"><font face="Arial" size="2">Mark Frye</font></span>
<br>
<span lang="en-us"><font face="Arial" size="2">Berkeley Solar
Electric Systems</font></span> <br>
<span lang="en-us"><font face="Arial" size="2">303 Redbud Way</font></span>
<br>
<span lang="en-us"><font face="Arial" size="2">Nevada City, CA 95959</font></span>
<br>
<span lang="en-us"><font face="Arial" size="2">(530) 401-8024</font></span>
<br>
<span lang="en-us"></span><a moz-do-not-send="true"
href="http://www.berkeleysolar.com/"><span lang="en-us"><u><font
color="#0000ff" face="Arial" size="2">www.berkeleysolar.com</font></u></span></a><span
lang="en-us"><font face="Arial" size="2"> </font></span> </div>
<div> </div>
<br>
<div dir="ltr" class="OutlookMessageHeader" align="left" lang="en-us">
<hr tabindex="-1"><font face="Tahoma" size="2"><b>From:</b>
<a class="moz-txt-link-abbreviated" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[<a class="moz-txt-link-freetext" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Nick
Vida<br>
<b>Sent:</b> Monday, April 18, 2011 12:13 AM<br>
<b>To:</b> wrenches<br>
<b>Subject:</b> [RE-wrenches] Two Buildings, Two Services, One Roof<br>
</font><br>
</div>
<div
style="font-family: Courier New,courier,monaco,monospace,sans-serif; font-size: 12pt;">
<div>It seems like it should be fine if you run one conduit to your
shop inverter, and another to a dc disconnect and underground to the
house inverter, but I see you running a bonding wire for the 2 GECs as
well for some reason. You should go through the part of 250 about
different GEC for separate building, which has some optional
installation options, and you could likely use that to justify running
the equipment ground back to the house. <br>
</div>
</div>
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