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<p><font size="4"><font face="Century Gothic">Correct & The 225
amp bus bar gives us the busbar ampacity to accept the 120 amp
back feed (includes the 25% factor)</font></font></p>
<p><font size="4"><font face="Century Gothic">22800w /240v = 95 amp</font></font><br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 8/8/2023 12:19 PM, Darryl Thayer via
RE-wrenches wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAHsrUiTYLcbhXSJ_+KRaRnLWG7O1OTgGUAi+1-qVX-F6KYkGSA@mail.gmail.com">
<div dir="ltr">
<div class="gmail_default">I need clarification; however, here
is my interpretation for you. </div>
<div class="gmail_default">The utility feeds the meter and then
the 100A breaker. <br>
</div>
<div class="gmail_default">Then you want this 100A breaker to
feed the 220A bus panel. </div>
<div class="gmail_default">This 220A panel then supplies through
a 100A breaker the house load.</div>
<div class="gmail_default">The solar also feeds the 220A panel.
If the solar exceeds 100A, and the house load is small, the
meter breaker will disconnect, losing power to the solar and
the load. </div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Aug 8, 2023 at
10:11 AM Dana Orzel via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
moz-do-not-send="true" class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote">
<div>
<p>Oh Wise folks!</p>
<p>Attached is a wire schematic please review. & feel
free to possibly use for yourself in the future.<br>
</p>
<p>I am in a bind with an interconnection where I have an
apartment 6 pack meter box with all 120-240v/100 amp
breakers & assumed 100 amp busbars. The apts. were a
mid 1970's original build. There are 4 apartment with 1
circuit/meter each & 1 house circuit/ meter for owners
use.The breaker boxes are Sylvania (yuck). Originally I
assumed a larger busbar due to 6 - 100 amp breakers &
this was not the case. We all know about assuming...</p>
<p>I consulted with W-2 who had assisted my lead installer
in in the past from UT. He sent the following & though
it makes sense to me, the utility is asking how I can have
a 225 amp panel behind a 100 amp breaker. My response was
that all we are doing is achieving a properly sized bus
bar to accommodate the back feed.</p>
<p>My Utility Idaho Power requires interconnection with a
meter that has a load on it. Solar only meters are not
allowed. This is for the owners loads only & he has 1
meter per apt complex at 100amps each.<br>
</p>
<p>I am wondering if any of you have used this connection
adaption to achieve a larger array connection & how it
went?</p>
<div>-- <br>
Dana Orzel Great Solar Works, Inc. C - 208.721.7003 <a
href="mailto:dana@solarwork.com" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">dana@solarwork.com</a>
Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible
Technologies for Responsible People since 1988"</div>
</div>
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<div class="moz-signature">-- <br>
Dana Orzel Great Solar Works, Inc. C - 208.721.7003
<a class="moz-txt-link-abbreviated" href="mailto:dana@solarwork.com">dana@solarwork.com</a> Idaho Contractor - # 028765 Idaho PV # 028374
"Responsible Technologies for Responsible People since 1988"</div>
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