<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.apple-converted-space
{mso-style-name:apple-converted-space;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi Jesse,</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">A regular visible blade lockable AC disconnect will satisfy our plan checker’s concern. However, the utility does not require an AC disconnect in our area for most residential applications so oftentimes we just use the beaker as our disconnect. If we just use a back-fed breaker, he wants us to install a handle padlock attachment at time of inspection and keep it there. I can see where he is coming from if you read the code sections I listed below, I’m just trying to figure out if this is a valid interpretation and if so how we’re going to comply.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Best,</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">August</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </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""> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Solar<br><b>Sent:</b> Thursday, April 28, 2016 7:59 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] 2014 NEC 705.22 disconnect for inverter capable of being locked</span></p></div></div><p class="MsoNormal"> </p><div><p class="MsoNormal" style="margin-bottom:12.0pt">So an AC disconnect in the inverter output between the inverter and panel or utility disconnect if required doesn't work for him or her? The locking provision is always in place on a standard AC disconnect. </p><div><div id="AppleMailSignature"><p class="MsoNormal">Jesse Dahl</p></div><div id="AppleMailSignature"><p class="MsoNormal"><br><br></p></div><div id="AppleMailSignature"><p class="MsoNormal">NABCEP PV Installation Professional</p></div><div id="AppleMailSignature"><p class="MsoNormal">IBEW Local 292 - Electrician </p></div><div id="AppleMailSignature"><p class="MsoNormal">Electrical/Solar PV Instructor - HCC</p></div></div><div id="AppleMailSignature"><p class="MsoNormal"><br><br></p></div><p class="MsoNormal">Sent from my iPhone</p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>On Apr 28, 2016, at 5:58 PM, jay <<a href="mailto:jay.peltz@gmail.com">jay.peltz@gmail.com</a>> wrote:</p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">HI August,</p><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I guess my question is. </p></div><div><p class="MsoNormal">Are they asking for a lockout AC disconnect on a AC circuit IE from the AC panel?</p></div><div><p class="MsoNormal">or</p></div><div><p class="MsoNormal">are they asking for a lockout from the inverter AC at the inverter?</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">thanks</p></div><div><p class="MsoNormal">jay</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">peltz power</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">On Apr 28, 2016, at 3:11 PM, August Goers <<a href="mailto:august@luminalt.com">august@luminalt.com</a>> wrote:</p></div><p class="MsoNormal"> </p><div><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hi Wrenches,</span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">We have a particular plan checker who wants us to provide a<span class="apple-converted-space"> </span><u>lockable</u><span class="apple-converted-space"> </span>AC disconnect for our inverter output circuit. His particular issue is that he wants the locking mechanism to be installed and on site. Here is a little NEC background info:</span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div style="margin-left:.5in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">2014 NEC 705.22 Disconnect Device</span></p></div><div style="margin-left:.5in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">The disconnecting means for ungrounded conductors shall consist of a manually or power operable switch(es) or circuit breaker(s) with the following features:</span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(1)</span><span style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Located where readily accessible</span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(2)</span><span style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Externally operable without exposing the operator to contact with live parts and, if power operable, of a type that could be opened by hand in the event of a power-supply failure</span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(3)</span><span style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Plainly indicating whether in the open (off) or closed (on) position</span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(4)</span><span style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Having ratings not less than the load to be carried and the fault current to be interrupted. For disconnect equipment energized from both sides, a marking shall be provided to indicate that all contacts of the disconnect equipment might be energized.</span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><i><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Informational Note to (4): In parallel generation systems, some equipment, including knife blade switches and fuses, is likely to be energized from both directions. See 240.40.</span></i><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""></span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(5)</span><span style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Simultaneous disconnect of all ungrounded conductors of the circuit</span></p></div><div style="margin-left:1.0in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(6)</span><span style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Capable of being locked in the open (off) position</span></p></div><p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div style="margin-left:.5in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">NEC 110.25 Lockable Disconnecting Means:</span></p></div><div style="margin-left:.5in"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Where a disconnecting means is required to be lockable open elsewhere in this Code, it shall be capable of being locked in the open position. The provisions for locking shall remain in place with or without the lock installed.<span class="apple-converted-space"> </span></span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Many times we are using a standard back-fed circuit breaker to comply with 705.22. Then we can supply a handle padlock attachment such as the one shown for Square D:</span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><a href="http://static.schneider-electric.us/assets/pdf/retail/QO-and-Homeline-Accessories.pdf"><span style="color:purple">http://static.schneider-electric.us/assets/pdf/retail/QO-and-Homeline-Accessories.pdf</span></a></span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Does anyone else have experience installing these breaker handle padlock attachments? My concern is whether we can find them for all of the old types of breakers that we have to deal with. Also, our plan checker is requiring that this handle padlock attachment accessory is installed at the time of our inspection. Is anyone else dealing with similar issues?</span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Best,</span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">August</span></p></div><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Luminalt</span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span></p><p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif"">_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address:<span class="apple-converted-space"> </span></span><a href="mailto:RE-wrenches@lists.re-wrenches.org"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:purple">RE-wrenches@lists.re-wrenches.org</span></a><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><br><br>Change listserver email address & settings:<br></span><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:purple">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</span></a><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><br><br>List-Archive:<span class="apple-converted-space"> </span></span><a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:purple">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</span></a><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><br><br>List rules & etiquette:<br></span><a href="http://www.re-wrenches.org/etiquette.htm"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:purple">www.re-wrenches.org/etiquette.htm</span></a><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><br><br>Check out or update participant bios:<br></span><a href="http://www.members.re-wrenches.org/"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:purple">www.members.re-wrenches.org</span></a></p></div></blockquote></div><p class="MsoNormal"> </p></div></div></blockquote><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal" style="margin-bottom:12.0pt">_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Change listserver email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out or update participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a></p></div></blockquote></div></body></html>