<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">HI August,<div class=""><br class=""></div><div class="">I guess my question is. </div><div class="">Are they asking for a lockout AC disconnect on a AC circuit IE from the AC panel?</div><div class="">or</div><div class="">are they asking for a lockout from the inverter AC at the inverter?</div><div class=""><br class=""></div><div class="">thanks</div><div class="">jay</div><div class=""><br class=""></div><div class="">peltz power</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div><blockquote type="cite" class=""><div class="">On Apr 28, 2016, at 3:11 PM, August Goers <<a href="mailto:august@luminalt.com" class="">august@luminalt.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Hi Wrenches,</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">We have a particular plan checker who wants us to provide a<span class="Apple-converted-space"> </span><u class="">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:</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">2014 NEC 705.22 Disconnect Device</div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">The disconnecting means for ungrounded conductors shall consist of a manually or power operable switch(es) or circuit breaker(s) with the following features:</div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">(1)<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';" class=""> <span class="Apple-converted-space"> </span></span></span>Located where readily accessible</div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">(2)<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';" class=""> <span class="Apple-converted-space"> </span></span></span>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</div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">(3)<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';" class=""> <span class="Apple-converted-space"> </span></span></span>Plainly indicating whether in the open (off) or closed (on) position</div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">(4)<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';" class=""> <span class="Apple-converted-space"> </span></span></span>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.</div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><i class="">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.</i></div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">(5)<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';" class=""> <span class="Apple-converted-space"> </span></span></span>Simultaneous disconnect of all ungrounded conductors of the circuit</div><div style="margin: 0in 0in 0.0001pt 1in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">(6)<span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';" class=""> <span class="Apple-converted-space"> </span></span></span>Capable of being locked in the open (off) position</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">NEC 110.25 Lockable Disconnecting Means:</div><div style="margin: 0in 0in 0.0001pt 0.5in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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:</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><a href="http://static.schneider-electric.us/assets/pdf/retail/QO-and-Homeline-Accessories.pdf" style="color: purple; text-decoration: underline;" class="">http://static.schneider-electric.us/assets/pdf/retail/QO-and-Homeline-Accessories.pdf</a></div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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?</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Best,</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">August</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Luminalt</div><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p><p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; 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