<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">HI All,<div><br></div><div>I mean as its worded, it would also be 240vac?</div><div><br></div><div>jay </div><div><br></div><div>peltz power</div><div><br></div><div><br></div><div><div><div>On Jun 11, 2013, at 7:30 AM, <a href="mailto:Eric.Bentsen@schneider-electric.com">Eric.Bentsen@schneider-electric.com</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<br><font size="2" face="sans-serif">Hi Bob,</font>
<br><font size="2" face="sans-serif">I would rather it be worded "maximum
normal operating voltage". </font>
<br><font size="2" face="sans-serif">Maximum operating voltage would be the
recommended BULK voltage for the battery type being utilized. </font>
<br><font size="2" face="sans-serif">Equalization is a maintenance procedure,
which is why it calls for separate listing. </font>
<br><font size="2" face="sans-serif">It must also include polarity of grounded
conductor.</font>
<br>
<br><font size="2" face="sans-serif">Eric<br>
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Eric Bentsen</b> | </font><font size="1" color="#008000" face="Arial"><b>
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<td><font size="1" color="#5f5f5f" face="sans-serif">From:</font>
</td><td><font size="1" face="sans-serif">"Bob Clark" <<a href="mailto:bclark@solar-wind.us">bclark@solar-wind.us</a>></font>
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<td><font size="1" color="#5f5f5f" face="sans-serif">To:</font>
</td><td><font size="1" face="sans-serif">"'RE-Wrenches'" <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>></font>
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<td><font size="1" color="#5f5f5f" face="sans-serif">Date:</font>
</td><td><font size="1" face="sans-serif">06/10/2013 08:08 PM</font>
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<td><font size="1" color="#5f5f5f" face="sans-serif">Subject:</font>
</td><td><font size="1" face="sans-serif">[RE-wrenches] NEC 690.55 - "maximum
operating voltage"</font>
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<td><font size="1" color="#5f5f5f" face="sans-serif">Sent by:</font>
</td><td><font size="1" face="sans-serif"><a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a></font></td></tr></tbody></table>
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<br><font size="2" face="Calibri">RE_Wrenches:</font>
<br><font size="2" face="Calibri"> </font>
<br><font size="2" face="Calibri">Can someone tell me what is being referred
to in NEC 690.55 when it says “Photovoltaic power systems employing energy
storage shall also be marked with the “maximum operating voltage, . .
.” ?</font>
<br><font size="2" face="Calibri"> </font>
<br><font size="2" face="Calibri">We have an off-grid system which employs
energy storage [i.e.; batteries]; so I need to know what exactly is referred
to when this section mentions “maximum operating voltage” so I can put
it on a sign.</font>
<br><font size="2" face="Calibri"> </font>
<br><font size="2" color="#e26200" face="Papyrus"><b>Bob Clark</b></font>
<br><font size="2" color="#e26200" face="Papyrus"><b><i>SolarWind Energy Systems,
LLC</i></b></font></blockquote></div><br></div></body></html>