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--></style></head><body lang="EN-US" link="#0563C1" vlink="#954F72"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Hi Wrenches,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">I’ve seen a lot of posts lately all mentioning Class T for battery fusing. Does anyone know if Class R is acceptable for battery fusing? I looked back at an old John Wiles doc and it seems like RK5 is fine, but would like to hear your opinion. </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"><a href="http://www.nmsu.edu/~tdi/pdf-resources/cc67.pdf">http://www.nmsu.edu/~tdi/pdf-resources/cc67.pdf</a></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">-August</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><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""> August Goers [mailto:<a href="mailto:august@luminalt.com">august@luminalt.com</a>] <br>
<b>Sent:</b> Friday, February 07, 2014 4:36 PM<br><b>To:</b> 'RE-wrenches'<br><b>Subject:</b> RE: [RE-wrenches] DC Fusing/Breakers for Battery Circuits</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Hi All,</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Correction: Another Wrench member contacted me off-list and noticed that we have a class RK5 in one photo and a T in the other photo. This opens up the question of whether one or both are correct or incorrect. I think both are rated for 20k AIC for DC voltage but I’ll have to look through my order records to be certain. The R is slow acting and the T is fast acting. </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Best,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">August</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><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""> August Goers [<a href="mailto:august@luminalt.com">mailto:august@luminalt.com</a>] <br>
<b>Sent:</b> Friday, February 07, 2014 3:32 PM<br><b>To:</b> 'RE-wrenches'<br><b>Subject:</b> RE: [RE-wrenches] DC Fusing/Breakers for Battery Circuits</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Hi Dan,</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">I’ve been wondering the same think. We’ve been fusing with a class T in the battery box and grounding the negative side of the batteries. See attached pics. Do you feel that the fuses should be outside of the battery box?</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Best,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">August</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a">Luminalt Energy</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#44546a"> </span></p><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><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""> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Dan Fink<br>
<b>Sent:</b> Friday, February 07, 2014 9:27 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] DC Fusing/Breakers for Battery Circuits</span></p></div><p class="MsoNormal"> </p><div><p class="MsoNormal">Does anyone have any elegant solutions to this? It's really time consuming and ugly to run big parallel battery string wires *out* of the battery enclosure to class T fuses, then back into the battery box. It looks very ugly and DIY, and in conduit adds a few hundred to the install cost just for labor. The Class T fuses and blocks themselves are not particularly expensive.</p>
<div><p class="MsoNormal">I have been recommending parallel fusing on battery banks of 2x8 L16s and over now, after a nearly tragic incident with a bad cell that shorted. The (perfectly legal) wooden battery box made the fire much worse. A pet peeve of mine. </p>
</div><div><p class="MsoNormal"> </p><div><p class="MsoNormal"><br clear="all"></p><div><p class="MsoNormal" style="margin-bottom:12.0pt">Dan Fink,<br>Executive Director;<br>Otherpower<br>Buckville Energy Consulting<br>Buckville Publications LLC<br>
NABCEP / IREC accredited Continuing Education Providers<br>970.672.4342</p></div></div></div></div></div></body></html>