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We've used braided, plated ground strap for over a decade. We inherited the practice from commercial size tracking systems installed in the 70s and early 80s.<div>Anixter wire is our supplier. I can get you a part number if you need. We isolate it from direct contact with aluminum, with stainless hardware.</div><div>I've seen solid copper strain harden and break after several years of seasonal tilt adjustments. </div><div><br></div><div>Ray</div><div><br></div><div><br></div><div><div><div>On Aug 22, 2008, at 9:46 AM, Wind-sun.com wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"> <div><font face="Calibri" size="2">I was under the impression that braided or fine strand wire was a no-no for grounding because it corrodes so much faster and easier than solid wire.</font></div> <div><font face="Calibri" size="2"></font> </div> <div>..................................................................................................<br>Northern Arizona Wind & Sun - Electricity From The Sun<br>Solar Discussion Forum: <a href="http://www.wind-sun.com/ForumVB/">http://www.wind-sun.com/ForumVB/</a><br>..................................................................................................</div> <blockquote style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <div style="FONT: 10pt arial">----- Original Message ----- </div> <div style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><b>From:</b> <a title="holtek@sbcglobal.net" href="mailto:holtek@sbcglobal.net">holtek@sbcglobal.net</a> </div> <div style="FONT: 10pt arial"><b>To:</b> <a title="re-wrenches@lists.re-wrenches.org" href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</a> </div> <div style="FONT: 10pt arial"><b>Sent:</b> Friday, August 22, 2008 8:41 AM</div> <div style="FONT: 10pt arial"><b>Subject:</b> [RE-wrenches] Braided grounding wire</div> <div><br></div> <div><font face="Century Schoolbook">Anybody know a source for braided grounding wire? Internet search fruitless......</font></div> <div> </div> <div>Holt E. Kelly<br>Holtek Fireplace & Solar Products<br>500 Jewell Dr.<br>Waco,Tx. 76712<br>254-751-9111<br>254-228-9621 (cell)<br><a href="mailto:holtek@sbcglobal.net">holtek@sbcglobal.net</a><br></div> <blockquote style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <div style="FONT: 10pt arial">----- Original Message ----- </div> <div style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><b>From:</b> <a title="info@es-ee.com" href="mailto:info@es-ee.com">Kurt Albershardt</a> </div> <div style="FONT: 10pt arial"><b>To:</b> <a title="re-wrenches@lists.re-wrenches.org" href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</a> </div> <div style="FONT: 10pt arial"><b>Sent:</b> Friday, August 22, 2008 12:57 AM</div> <div style="FONT: 10pt arial"><b>Subject:</b> Re: [RE-wrenches] motor starting issues (was: offgrid systemquestion)</div> <div><br></div>--On Tuesday, August 19, 2008 7:57 AM -0700 Peter Parrish <<a href="mailto:peter.parrish@calsolareng.com">peter.parrish@calsolareng.com</a>> wrote:<br>><br>> Any motor will need both a voltage and current to operate properly, and they tend to draw more and more current as the source (inverter) voltage drops.<br><br><br>Back to basic physics:<br><br>Depending on design, electric motors can be constant power or constant torque (or some combination of two) devices.<br><br>Three phase AC motors are generally simpler in design and better behaved than either either single phase AC motors or DC motors. Permanent magnet synchronous 3Ø AC motors (available now) closely approach the theoretical limits of electromechanical motor systems in general.<br><br>Modern power electronics and control systems give us essentially perfect control of voltage, current, and frequency in AC systems.<br><br>Intelligently combining the above allows us to design efficient electromechanical systems which match nearly any complex supply impedance. These systems also happen to live longer, fail less often, and reduce both battery bank and inverter requirements.<br><br>The market (arguably free on so many levels, and obviously not on so many others) can address this using current technology. System sizing math not has changed fundamentally in several decades but we are getting closer to those fundamental limits.<br><br>Industrial systems are a bit ahead of the consumer market in some areas but behind in others. As one very basic example, Turbocor's maglev compressor has created a few waves in the commercial and light industrial sector but I fully expect some fascinating trickle-down benefits over next few years <<a href="http://www.turbocor.com/products_technology/">http://www.turbocor.com/products_technology/</a>><br><br><br><br><br><br><br><br>.<br><br><br>_______________________________________________<br>List sponsored by Home Power magazine<br><br><a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br><a href="http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">http://www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a><br><br></blockquote><div> <br class="khtml-block-placeholder"></div><hr><div><br class="khtml-block-placeholder"></div>_______________________________________________<br>List sponsored by Home Power magazine<br><br><a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org<br><br>List rules & etiquette:<br>http://www.re-wrenches.org/etiquette.htm<br><br>Check out participant bios:<br>www.members.re-wrenches.org<br><br></blockquote><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">List sponsored by Home Power magazine</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">List rules & etiquette:</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://www.re-wrenches.org/etiquette.htm">http://www.re-wrenches.org/etiquette.htm</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Check out participant bios:</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">www.members.re-wrenches.org</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div> </blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>R. Walters</div><div>Solarray.com<span class="Apple-tab-span" style="white-space:pre"></span></div><div>NABCEP # 04170442<span class="Apple-tab-span" style="white-space:pre"><span class="Apple-style-span" style="white-space: pre; "> </span></span></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span> </div><br></div></body></html>