<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>The MREA (Midwest renewable energy association) offers classes, some on-line now. Really good Instructors. </div><div><br></div><div><a href="http://www.midwestrenew.org">www.midwestrenew.org</a></div><div><br></div><div>Jesse<br><br>Sent from my iPhone</div><div><br>On Apr 12, 2013, at 8:03 PM, jay peltz <<a href="mailto:jay@asis.com">jay@asis.com</a>> wrote:<br><br></div><blockquote type="cite"><div><base href="x-msg://192/">HI Eric,<div><br></div><div>I'm going to advise you to look at SEI</div><div>Solar energy international.</div><div><br></div><div><a href="http://www.solarenergy.org/">http://www.solarenergy.org/</a></div><div><br></div><div>Full disclosure, I teach part time from them.</div><div><br></div><div>Cheers,</div><div><br></div><div>jay</div><div><br></div><div>peltz power</div><div><br></div><div><div><div>On Apr 12, 2013, at 12:46 PM, SunHarvest wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div bgcolor="#ffffff"><div><font size="2" face="Arial">Wrenchers -</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">I am in need of hands-on advanced training for my own continuing education. I have a California C46 solar contractor's license and plenty of experience designing and installing systems. But, as you all know, there are always more details to master, code issues to be clarified, and new technologies coming down the pike. I'd like to focus on off-grid and on-grid w/BB systems over straight grid-tie.</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">I'm looking at Solar Living Institute as that's here in NorCal, where I live.</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">Are there any training schools/programs that you guys would recommend?</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">My main requirements are that the instructor has 20+ years of hands-on experience and that the training is hands-on and fully comprehensive. I am interested in getting NABCEP certified but I'm more concerned with getting professional, in-depth training than with qualifying for NABCEP exam requirements.</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">Thanks!</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial">Eric</font></div><div><font size="2" face="Arial">SunHarvest</font></div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial"></font> </div><div>----- Original Message -----</div><blockquote style="border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px; "><div style="font: normal normal normal 10pt/normal arial; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(228, 228, 228); background-position: initial initial; background-repeat: initial initial; "><b>From:</b><span class="Apple-converted-space"> </span><a title="John.Berdner@solaredge.com" href="mailto:John.Berdner@solaredge.com" style="color: blue; text-decoration: underline; ">John Berdner</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>To:</b><span class="Apple-converted-space"> </span><a title="re-wrenches@lists.re-wrenches.org" href="mailto:re-wrenches@lists.re-wrenches.org" style="color: blue; text-decoration: underline; ">RE-wrenches</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, April 04, 2013 11:44 AM</div><div style="font: normal normal normal 10pt/normal arial; "><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [RE-wrenches] Combining conductors</div><div><br></div><div><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">Larry:<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">Yes, you can parallel conductors (there is an NEC limit on minimum size allowed to parallel).<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">You just add the ampacity of the two conductors.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">To convince yourself you can also check Table 8 Conductor Properties and sum the cross sectional areas of all the parallel conductors to see the equivalency to a single larger conductor.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">Best Regards,<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">John Berdner<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">General Manager, North America<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">SolarEdge Technologies, Inc.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">3347 Gateway Boulevard, Fremont CA 94538 USA <span class="Apple-converted-space"> </span></span><b><i><span style="font-family: Calibri, sans-serif; color: rgb(192, 0, 0); font-size: 11pt; ">(*Please note of our new address.)</span></i></b><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><br>T: 510.498.3200, X 747<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">M: 530.277.4894<o:p></o:p></span></div></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div><div style="border-bottom-width: medium; border-bottom-style: none; border-bottom-color: initial; border-left-width: medium; border-left-style: none; border-left-color: initial; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; border-top-style: solid; border-right-width: medium; border-right-style: none; border-right-color: initial; padding-top: 3pt; "><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><b><span style="font-family: Tahoma, sans-serif; font-size: 10pt; ">From:</span></b><span style="font-family: Tahoma, sans-serif; font-size: 10pt; "><span class="Apple-converted-space"> </span><a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" style="color: blue; text-decoration: underline; ">re-wrenches-bounces@lists.re-wrenches.org</a><span class="Apple-converted-space"> </span>[<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]<span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Larry Crutcher, Starlight Solar Power Systems<br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, April 04, 2013 9:51 AM<br><b>To:</b><span class="Apple-converted-space"> </span>RE-wrenches<br><b>Subject:</b><span class="Apple-converted-space"> </span>[RE-wrenches] Combining conductors<o:p></o:p></span></div></div></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><o:p> </o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; ">Wrenches,<o:p></o:p></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; ">Here's a tough one for me to understand. I am installing 2 volt AGM batteries. There are two terminals for each battery polarity. I have some height limits so I need to use the minimum wire size. Here's my question: If I combine two identical conductors, what is the equivalent single conductor size? <o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; ">I found one "rule of thumb" that says doubling like conductors creates a AWG decrease of 3. Example: two #2 will be equivalent to 2/0. Is this true?<o:p></o:p></div></div><div><div><div><div><div><div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Helvetica, sans-serif; color: black; font-size: 13.5pt; "><br>Thank you,<o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Helvetica, sans-serif; color: black; font-size: 13.5pt; "><br>Larry Crutcher<o:p></o:p></span></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Helvetica, sans-serif; color: black; font-size: 13.5pt; ">Starlight Solar Power Systems<o:p></o:p></span></div></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Helvetica, sans-serif; color: black; font-size: 13.5pt; "><o:p> </o:p></span></div></div></div></div></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Helvetica, sans-serif; color: black; font-size: 13.5pt; "><o:p> </o:p></span></div></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-family: Helvetica, sans-serif; color: black; font-size: 13.5pt; "><br><br><br></span><o:p></o:p></div></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0pt; margin-left: 0in; font-family: 'Times New Roman', serif; font-size: 12pt; "><o:p> </o:p></div></div></div></div><div style="font-family: 'Courier New'; font-size: 9pt; "><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><font face="Calibri"><span style="color: navy; font-size: 10pt; ">CONFIDENTIALITY NOTICE: This e-mail and its attachments are intended only for the use of the individual or entity who is the intended recipient and may contain information that is privileged, confidential and exempt from disclosure or any type of use under applicable law. 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