Jeff,<br><br>I'm guessing that the document your AHJ saw or is referring to is here, and might help you prepare for the meeting with the AHJ: <br><br><a href="http://www.ul.com/global/documents/corporate/aboutul/publications/newsletters/electricalconnections/april10.pdf">http://www.ul.com/global/documents/corporate/aboutul/publications/newsletters/electricalconnections/april10.pdf</a><br>
<br>I got wind of this document from John Wiles, and he has always been pretty adamant about panels being listed for a supply side tap, which they usually aren't, especially if it is a meter/main combination (or an old Zinsco). <br>
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<p class="MsoNormal"><a name="_MailAutoSig"><span style="font-size: 10pt;">Phil Boutelle</span></a><span style=""><span style="font-size: 10pt;"></span></span></p>
<p class="MsoNormal"><span style=""><span style="font-size: 10pt;">Project Engineer<br>
NABCEP Certified Solar PV Installer <sup>TM</sup><br>
Real Goods Solar, Inc.</span></span></p><p class="MsoNormal"><span style=""><span style="font-size: 10pt;">
</span></span><a href="http://www.iesolar.com/" target="_blank"><span style=""><span style="font-size: 10pt; color: blue;">www.RealGoodsSolar.com</span></span><span style=""></span></a><span style=""><span style="font-size: 10pt;"></span></span></p>
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<br><br><br><div class="gmail_quote">On Thu, Jun 17, 2010 at 11:45 AM, Jeff Oldham <span dir="ltr"><<a href="mailto:starpower4u@juno.com">starpower4u@juno.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Thanks all for the good feedback. A service upgrade to this flush mount meter/main is beyond what the owner cares to spend as it is a major project being it is in a wall that is extremely crowded both structurally and electrically. There is no way to get between the meter and main w/o any modifications to what was UL listed as is. There is no distribution section, it is 200' away and trenching through landscape, gardens and patio's are not an option either.<br>
<br>I know all about the horror stories over Zinsco, but the vast majority of their problems are in the distribution panels not these simple meter/main's with only one breaker that is rail mounted w/o those funky bus and breaker "connections" to it. This is a bigger picture issue that I'm raising here - having to secure a written letter from the manu on how to tap their panels on ALL jobs that are over 120% of bus rating regardless of panel brand or age. I agree that service taps rules apply here as do fill calcs and that a listed tap meeting fill allowances does not modify the panel to the point of UL violation. I'm meeting with the County head of Building next week to discuss further....<div class="im">
<br><br>-jeff o<br><br><br>From the Solar, Wind and Hydro powered office of Jeff Oldham/Regenerative SOLutions
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