<div>Peter,</div>
<div> </div>
<div>I've never used the ProSolar rails, so I can't speak to 1).</div>
<div> </div>
<div>On 2), yes, you must bond the rails with a listed device if they are not bonded to the modules. The nice thing about the WEEB is that it allows one to bond the modules and rails together, and then you can pick up the bond from the rails (without having to hit every module with a lug and the EGC).</div>
<div> </div>
<div>- Mike<br clear="all">--<br>Michael Kelly<br>Project Manager / Project Engineer<br>NABCEP Certified Solar PV Installer ™<br><br>SolarFlair Energy, Inc.<br>11 Mayhew Street<br>Framingham, MA 01702<br>Direct Mobile: 617-899-9840<br>
Main Phone: 508-293-4293<br>Main Fax: 508-293-4003<br><a href="mailto:mike@solarflair.com">mike@solarflair.com</a><br><br><br></div>
<div class="gmail_quote">On Tue, Nov 17, 2009 at 2:56 PM, Peter Parrish <span dir="ltr"><<a href="mailto:peter.parrish@calsolareng.com">peter.parrish@calsolareng.com</a>></span> wrote:<br>
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<p class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">We have been using WEEB clips on all of our installations for over a year now. We include the WEEB data/installation sheets in our permit package and patiently point out the clips to inspectors who haven’t seen the WEEB system yet. </span></font></p>
<p class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"> </span></font></p>
<p class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Two questions:</span></font></p>
<p class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"> </span></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">(1)<font size="1" face="Times New Roman"><span style="FONT: 7pt 'Times New Roman'"> </span></font></span></font><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">For ProSolar rails, can we use one WEEB clip to bond two adjacent modules (say, modules A and B) on the upper rail (say, rail #1) and then use a second WEEB clip to bond the next two adjacent modules (say, modules C and D) on the lower rail (say, rail #2) and then use a listed lay-in lug (with in our case a WEEB clip) to bond to either rail #1 or #2 to continue the grounding?</span></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">(2)<font size="1" face="Times New Roman"><span style="FONT: 7pt 'Times New Roman'"> </span></font></span></font><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">If we DON”T use WEEB clips and use the conventional bonding methodology per module manufacturer’s instructions (proper location on the module, and listed screws, washers and nuts), do we have to ALSO bond the rails? We have an inspector in Pasadena, CA that is requiring this, but this is the first time we have been required to do so. Perhaps in the past year in ignorant bliss we have missed an important development? Or have we been dodging bullets for seven years and not even knowing it?</span></font></p>
<p class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"> </span></font></p>
<p class="MsoNormal"><font color="navy" size="2" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">- Peter</span></font></p>
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<p class="MsoNormal"><font color="navy" size="2" face="Calibri"><span style="COLOR: navy; FONT-SIZE: 11pt">Peter T. Parrish, Ph.D., President<br>California Solar Engineering, Inc.<br>820 Cynthia Ave., Los Angeles, CA 90065<br>
CA Lic. 854779, NABCEP Cert. 031806-26<br><a href="mailto:peter.parrish@calsolareng.com" target="_blank"><font color="navy" size="1"><span style="COLOR: navy; FONT-SIZE: 9pt">peter.parrish@calsolareng.com</span></font></a> <br>
Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885 </span></font></p>
<p><font color="navy" size="2" face="Arial"><span style="FONT-SIZE: 10pt"> </span></font></p></div>
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