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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">All SunPower modules with NE in the model number are specifically listed to be positive or negative ground or ungrounded with transformerless inverters.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Will<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><a name="_top"></a><u><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">__________________________________________________________________________________________<o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">Will White<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">Regional Field Operations Manager – New England<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">Real Goods Solar<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">64 Main St.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">Montpelier, VT 05602<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">Tel: (802) 223-7804<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E">Cell: (802) 234-3167<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E"><a href="http://www.realgoodssolar.com/"><span style="color:blue">www.realgoodssolar.com</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><a href="http://realgoodssolar.com/landing/87_solar_myths.php"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:blue;text-decoration:none"><img border="0" width="293" height="96" id="Picture_x0020_1" src="cid:image001.jpg@01CD7951.D4299820" alt="Description: RGS12_Q2_MYTH_static_signature_1b"></span></a><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#0F243E"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org]
<b>On Behalf Of </b>Nick Soleil<br>
<b>Sent:</b> Monday, August 13, 2012 12:38 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] Enphase M210-84-208-S12 Inverters Available?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">HI Dave,<br>
<br>
You are correct. The Enphase Microinverters bond the DC positive to ground.<br>
<br>
This is not an issue. Most modules will operate normally with either; no ground bond, the DC negative bonded, or the DC positive bonded.
<br>
<br>
SunPower modules are the exception, with a requirement for being positively grounded.
<br>
<br>
Nick Soleil<o:p></o:p></p>
<div>
<p class="MsoNormal">On Mon, Aug 13, 2012 at 5:16 AM, Dave Click <<a href="mailto:daveclick@fsec.ucf.edu" target="_blank">daveclick@fsec.ucf.edu</a>> wrote:<o:p></o:p></p>
<p class="MsoNormal">Enphase already positive-grounds the module:<br>
<br>
<a href="http://enphase.com/support/installation-wiring/" target="_blank">http://enphase.com/support/installation-wiring/</a><br>
Q: The Enphase Microinverter manual states that the device is positively grounded. Don't most PV modules have negative grounds? Is this a problem for Enphase?<br>
A: Enphase made the decision to positively ground its microinverters to minimize corrosion. Because Enphase Microinverters are positively grounded, they are compatible with both positively and negatively grounded modules.<o:p></o:p></p>
<div>
<p class="MsoNormal"><br>
<br>
On 2012/8/12 13:29, JRQ wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Louis,<br>
<br>
Can Enphase inverters be positively grounded? I wasn't aware that they<br>
could. Otherwise you have an equipment mismatch problem that can't be<br>
overcome under the listing of the modules and the inverters.<br>
<br>
Jeffrey Quackenbush.<br>
<br>
<br>
<o:p></o:p></p>
</div>
<p class="MsoNormal">------------------------------------------------------------------------<br>
*From:* Louis Woofenden <<a href="mailto:louis@woofenden.net" target="_blank">louis@woofenden.net</a>><br>
*To:* RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>
*Sent:* Tuesday, August 7, 2012 2:54 PM<br>
*Subject:* [RE-wrenches] Enphase M210-84-208-S12 Inverters Available?<o:p></o:p></p>
<div>
<p class="MsoNormal"><br>
<br>
<br>
Hi Wrenches,<br>
<br>
I'm trying to piece together an SunPower/Enphase job, and looking for up<br>
to 25 Enphase M210-84-208-S12 inverters, which have been discontinued by<br>
Enphase.<br>
<br>
If you happen to have any available (or know someone who does), can you<br>
please contact me off-list at <a href="mailto:louis@netzerosolar.net" target="_blank">
louis@netzerosolar.net</a><o:p></o:p></p>
</div>
<p class="MsoNormal"><mailto:<a href="mailto:louis@netzerosolar.net" target="_blank">louis@netzerosolar.net</a>>, or
<a href="tel:520-237-5040" target="_blank">520-237-5040</a>?<o:p></o:p></p>
<div>
<p class="MsoNormal"><br>
<br>
Thanks,<br>
<br>
Louis Woofenden<br>
<br>
Net Zero Solar, LLC<br>
Tucson, AZ<br>
<br>
_______________________________________________<br>
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-- <o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:14.0pt">Cordially,</span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><b><span style="font-size:14.0pt">Nick Soleil</span></b><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><b>Field Applications Engineer</b><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><b><span style="color:#E36C0A">Enphase Energy</span></b><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt">Mobile: (707) 321-2937<o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><o:p> </o:p></p>
<p style="margin:0in;margin-bottom:.0001pt">1420 North McDowell<o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt">Petaluma, CA 94954<o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><a href="http://www.enphaseenergy.com/" target="_blank">www.enphase.com</a><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt">P: (707) 763-4784 x7267<o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt">F: (707) 763-0784<o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt">E: <a href="mailto:nsoleil@enphaseenergy.com" target="_blank">
nsoleil@enphaseenergy.com</a><o:p></o:p></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:#1F497D"><img border="0" width="96" height="38" id="_x0000_i1025" src="cid:image002.jpg@01CD7951.D4299820" alt="nabcep logo"> Certified Solar PV Installer #03262011-300</span><o:p></o:p></p>
<p>“Don’t get me wrong: I love nuclear energy! It’s just that I prefer fusion to fission. And it just so happens that there’s an enormous fusion reactor safely banked a few million miles from us. It delivers more than we could ever use in just about 8 minutes.
And it’s wireless! .” <o:p></o:p></p>
<p>- William McDonough <o:p></o:p></p>
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