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<p>"the maximum load connected between the neutral and any one <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ungrounded" target="_blank" rel="noopener noreferrer">ungrounded</a> conductor plus the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/6/special-equipment#inverter" target="_blank" rel="noopener noreferrer">inverter</a> output rating shall not exceed the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" target="_blank" rel="noopener noreferrer">ampacity</a> of the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#neutral_conductor" target="_blank" rel="noopener noreferrer">neutral conductor</a>."</p>
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<p>So the neutral conductor is supposed to be sized for the connected load plus the entire maximum output of the inverter?</p>
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<p id="reply-intro">On 2022-01-24 12:10, Kirk Herander wrote:</p>
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<h1 class="v1gmail-font_2845 v1gmail-leading-10 v1gmail-font-normal v1gmail-text-gray-700-tw2 v1gmail-font-inter" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; font-weight: 400; font-size: 40px; font-family: Inter,sans-serif; line-height: 2.5rem;">705.95 Ampacity of Neutral Conductor</h1>
<div class="v1gmail-breadcrumb_container" style="padding: 0px; margin: 17px 0px 0px; border: 0px solid #e2e8f0;"><a style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017" target="_blank" rel="noopener noreferrer">National Electrical Code 2017 of New York State</a> > <a style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/7/special-conditions#7" target="_blank" rel="noopener noreferrer">7 Special Conditions</a> > <a style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/7/special-conditions#705" target="_blank" rel="noopener noreferrer">705 Interconnected Electric Power Production Sources</a> > <a style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/7/special-conditions#705.95" target="_blank" rel="noopener noreferrer">705.95 Ampacity of Neutral Conductor</a></div>
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<div class="v1gmail-ordinary_text v1gmail-section_body" style="padding: 0px; margin: 18px 0px 19px; border: 0px solid #e2e8f0; line-height: 1.5;">The <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" target="_blank" rel="noopener noreferrer">ampacity</a> of the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#neutral_conductor" target="_blank" rel="noopener noreferrer">neutral conductors</a> shall comply with either (A) or (B).</div>
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<h2 class="v1gmail-font_2200 v1gmail-text-gray-700-tw2 v1gmail-sm:text-base v1gmail-text-sm v1gmail-leading-7 v1gmail-font-bold v1gmail-font-bold" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; font-size: 1rem; line-height: 1.75rem;"><a class="v1gmail-section_title" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: inherit; outline: 0px;" href="./#NOP" rel="noreferrer">(A) Neutral Conductor for Single Phase, 2-Wire Inverter Output</a></h2>
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<div class="v1gmail-ordinary_text v1gmail-section_body" style="padding: 0px; margin: 18px 0px 19px; border: 0px solid #e2e8f0; line-height: 1.5;">If a single-phase, 2-<a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/8/communications-systems#wire" target="_blank" rel="noopener noreferrer">wire</a> <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/6/special-equipment#inverter" target="_blank" rel="noopener noreferrer">inverter</a> output is connected to the neutral and one <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ungrounded" target="_blank" rel="noopener noreferrer">ungrounded</a> conductor (only) of a 3-<a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/8/communications-systems#wire" target="_blank" rel="noopener noreferrer">wire</a> system or of a 3-phase, 4-<a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/8/communications-systems#wire" target="_blank" rel="noopener noreferrer">wire</a>, wye-connected system, the maximum load connected between the neutral and any one <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ungrounded" target="_blank" rel="noopener noreferrer">ungrounded</a> conductor plus the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/6/special-equipment#inverter" target="_blank" rel="noopener noreferrer">inverter</a> output rating shall not exceed the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" target="_blank" rel="noopener noreferrer">ampacity</a> of the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#neutral_conductor" target="_blank" rel="noopener noreferrer">neutral conductor</a>.</div>
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<h2 class="v1gmail-font_2200 v1gmail-text-gray-700-tw2 v1gmail-sm:text-base v1gmail-text-sm v1gmail-leading-7 v1gmail-font-bold v1gmail-font-bold" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; font-size: 1rem; line-height: 1.75rem;"><a class="v1gmail-section_title" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: inherit; outline: 0px;" href="./#NOP" rel="noreferrer">(B) Neutral Conductor for Instrumentation, Voltage, Detection or Phase Detection</a></h2>
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<div class="v1gmail-ordinary_text v1gmail-section_body" style="padding: 0px; margin: 18px 0px 19px; border: 0px solid #e2e8f0; line-height: 1.5;">A conductor used solely for instrumentation, <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#voltage_of_a_circuit" target="_blank" rel="noopener noreferrer">voltage</a> detection, or phase detection and connected to a single-phase or 3-phase <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#interactive_inverter" target="_blank" rel="noopener noreferrer">interactive inverter</a>, shall be permitted to be sized at less than the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" target="_blank" rel="noopener noreferrer">ampacity</a> of the other current-carrying conductors and shall be sized equal to or larger than the <a class="v1gmail-autolink" style="padding: 0px; margin: 0px; border: 0px solid #e2e8f0; color: #787c81; outline: 0px; text-decoration-line: none;" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#grounding_conductor_equipment_egc" target="_blank" rel="noopener noreferrer">equipment grounding conductor</a>.</div>
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<div class="v1gmail_attr" dir="ltr">On Mon, Jan 24, 2022 at 11:58 AM Foxfire Energy <<a href="mailto:dan@foxfire-energy.com" rel="noreferrer">dan@foxfire-energy.com</a>> wrote:</div>
<blockquote class="v1gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left: 1px solid #cccccc; padding-left: 1ex;">I'd start with the manufacturers recommendations<br /><br />Sent from my iPhone<br /><br />> On Jan 24, 2022, at 11:52 AM, jay <<a href="mailto:jay.peltz@gmail.com" rel="noreferrer">jay.peltz@gmail.com</a>> wrote:<br />> <br />> HI All,<br />> <br />> Where do I find in the code how to size a sense only neutral wire for GT inverter.<br />> <br />> thanks<br />> <br />> jay<br />> <br />> peltz power<br />> <br />> <br />> _______________________________________________<br />> List sponsored by Redwood Alliance<br />> <br />> Pay optional member dues here: <a href="http://re-wrenches.org" target="_blank" rel="noopener noreferrer">http://re-wrenches.org</a><br />> <br />> List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" rel="noreferrer">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" target="_blank" rel="noopener noreferrer">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br />> <br />> There are two list archives for searching. When one doesn't work, try the other:<br />> <a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" target="_blank" rel="noopener noreferrer">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a><br />> <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank" rel="noopener noreferrer">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br />> <br />> List rules & etiquette:<br />> <a href="http://www.re-wrenches.org/etiquette.htm" target="_blank" rel="noopener noreferrer">http://www.re-wrenches.org/etiquette.htm</a><br />> <br />> Check out or update participant bios:<br />> <a href="http://www.members.re-wrenches.org" target="_blank" rel="noopener noreferrer">http://www.members.re-wrenches.org</a><br />> <br />_______________________________________________<br />List sponsored by Redwood Alliance<br /><br />Pay optional member dues here: <a href="http://re-wrenches.org" target="_blank" rel="noopener noreferrer">http://re-wrenches.org</a><br /><br />List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" rel="noreferrer">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" target="_blank" rel="noopener noreferrer">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br /><br />There are two list archives for searching. When one doesn't work, try the other:<br /><a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" target="_blank" rel="noopener noreferrer">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a><br /><a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank" rel="noopener noreferrer">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br /><br />List rules & etiquette:<br /><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank" rel="noopener noreferrer">http://www.re-wrenches.org/etiquette.htm</a><br /><br />Check out or update participant bios:<br /><a href="http://www.members.re-wrenches.org" target="_blank" rel="noopener noreferrer">http://www.members.re-wrenches.org</a><br /><br /></blockquote>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace">_______________________________________________<br />List sponsored by Redwood Alliance<br /><br />Pay optional member dues here: <a href="http://re-wrenches.org" target="_blank" rel="noopener noreferrer">http://re-wrenches.org</a><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" target="_blank" rel="noopener noreferrer">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br /><br />There are two list archives for searching. When one doesn't work, try the other:<br /><a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" target="_blank" rel="noopener noreferrer">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a><br /><a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank" rel="noopener noreferrer">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br /><br />List rules & etiquette:<br /><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank" rel="noopener noreferrer">http://www.re-wrenches.org/etiquette.htm</a><br /><br />Check out or update participant bios:<br /><a href="http://www.members.re-wrenches.org" target="_blank" rel="noopener noreferrer">http://www.members.re-wrenches.org</a><br /><br /></div>
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