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<p><font size="4">The intent of the line side tap, was to allow
larger pv systems to interconnect to the SE conductors and not
have to consider the service panel. So, I agree with others that
the service panel has no consideration for what you are doing.
The panel is protected by the MSP Breaker. Chris</font><br>
</p>
<div class="moz-cite-prefix">On 10/12/2023 8:06 PM, Drake Chamberlin
via RE-wrenches wrote:<br>
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<blockquote type="cite"
cite="mid:18dfd12357ff026e00e7f4d81096db70@redwoodalliance.org">
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<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"><span style="font-size: 12pt;">We have a design where
the conductors will come out of a 400 A meter base to a
junction box. Splices in the box will allow for the PV to feed
the meter. </span></div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"> </div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"><span style="font-size: 12pt;">A maximum of 312 Amps
can come from the inverters to feed the grid. </span><br>
<br>
<span style="font-size: 12pt;">The loads on the existing main
service are significantly less than 200A. The service is rated
at 200 A, 3 phase delta. </span><br>
<br>
<span style="font-size: 12pt;"><img
src="cid:part1.5gMUUlfn.7a0NX8bF@entech-engineering.com"
class=""></span><br>
<br>
<div> </div>
<div><span style="font-size: 12pt;">The conductors from the
meter would be rated at 400 A to the splice, as would the
conductors to the photovoltaic system. The conductors to the
existing service would be downsized to 200 A. </span></div>
<div id="signature"><br>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"><span style="font-size: 12pt;">We were told that
the bus bar rating of the service must also be 400 A, even
though the output of the PV does not feed through that
box. Is there a rule that says this? What would be the
logic?</span></div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"> </div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"><span style="font-size: 12pt;">Thank you,</span></div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"> </div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"><span style="font-size: 12pt;">Drake </span></div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace"> </div>
<div class="pre" style="margin: 0; padding: 0; font-family:
monospace">
<p><em>Drake Chamberlin</em></p>
<p><em>Athens Electric LLC</em></p>
<p><em>Ohio Electrical Contractor’s License 44810</em></p>
<p><em>NABCEP Certified PV Installation Professional</em></p>
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