<div dir="ltr"><div id="gmail-popular_section_header" style="padding:34px;margin:0px;border:0px solid rgb(226,232,240);background-color:rgb(250,251,252);color:rgb(88,89,91);font-family:"Open Sans",sans-serif;font-size:14px"><h1 class="gmail-font_2845 gmail-leading-10 gmail-font-normal gmail-text-gray-700-tw2 gmail-font-inter" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);font-weight:400;font-size:40px;font-family:Inter,sans-serif;line-height:2.5rem">705.95 Ampacity of Neutral Conductor</h1><div class="gmail-breadcrumb_container" style="padding:0px;margin:17px 0px 0px;border:0px solid rgb(226,232,240)"><a href="https://up.codes/viewer/new_york/nfpa-70-2017" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);outline:0px;text-decoration-line:none">National Electrical Code 2017 of New York State</a> > <a href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/7/special-conditions#7" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);outline:0px;text-decoration-line:none">7 Special Conditions</a> > <a href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/7/special-conditions#705" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);outline:0px;text-decoration-line:none">705 Interconnected Electric Power Production Sources</a> > <a href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/7/special-conditions#705.95" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);outline:0px;text-decoration-line:none">705.95 Ampacity of Neutral Conductor</a></div></div><div id="gmail-popular_section_body" style="padding:34px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(88,89,91);font-family:"Open Sans",sans-serif;font-size:14px">JUMP TO FULL CODE CHAPTER<div id="gmail-main_content_container" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240)"><div id="gmail-main_content" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240)"><div id="gmail-code_content_container" class="gmail-text-gray-800-tw2" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240)"><div id="gmail-code_content" class="gmail-" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);overflow:auto hidden"><div class="gmail-section_container" style="padding:7px 15px 0px 0px;margin:0px 0px 5px;border:1px solid transparent;box-sizing:border-box;display:inline-block;min-width:100%"><div class="gmail-section_title_bar" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);display:flex"></div><div class="gmail-ordinary_text gmail-section_body" style="padding:0px;margin:18px 0px 19px;border:0px solid rgb(226,232,240);line-height:1.5">The <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">ampacity</a> of the <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#neutral_conductor" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">neutral conductors</a> shall comply with either (A) or (B).</div><div class="gmail-comments_container" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240)"></div><button class="gmail-add_comment_icon gmail-rounded-full" style="padding:0px;margin:0px;border-width:0px;border-style:solid;border-color:rgb(226,232,240);border-radius:9999px"></button></div> <div class="gmail-section_container" style="padding:7px 15px 0px 0px;margin:0px 0px 5px 40px;border:1px solid transparent;box-sizing:border-box;display:inline-block"><div class="gmail-section_title_bar" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);display:flex"><h2 class="gmail-font_2200 gmail-text-gray-700-tw2 gmail-sm:text-base gmail-text-sm gmail-leading-7 gmail-font-bold gmail-font-bold" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);font-size:1rem;line-height:1.75rem"><a class="gmail-section_title" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:inherit;outline:0px">(A) Neutral Conductor for Single Phase, 2-Wire Inverter Output</a></h2><div class="gmail-section_badge_container gmail-flex gmail-items-center" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);display:flex"></div></div><div class="gmail-ordinary_text gmail-section_body" style="padding:0px;margin:18px 0px 19px;border:0px solid rgb(226,232,240);line-height:1.5">If a single-phase, 2-<a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/8/communications-systems#wire" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">wire</a> <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/6/special-equipment#inverter" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">inverter</a> output is connected to the neutral and one <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ungrounded" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">ungrounded</a> conductor (only) of a 3-<a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/8/communications-systems#wire" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">wire</a> system or of a 3-phase, 4-<a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/8/communications-systems#wire" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">wire</a>, wye-connected system, the maximum load connected between the neutral and any one <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ungrounded" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">ungrounded</a> conductor plus the <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/6/special-equipment#inverter" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">inverter</a> output rating shall not exceed the <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">ampacity</a> of the <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#neutral_conductor" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">neutral conductor</a>.</div><div class="gmail-comments_container" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240)"></div><button class="gmail-add_comment_icon gmail-rounded-full" style="padding:0px;margin:0px;border-width:0px;border-style:solid;border-color:rgb(226,232,240);border-radius:9999px"></button></div> <div class="gmail-section_container" style="padding:7px 15px 0px 0px;margin:0px 0px 5px 40px;border:1px solid transparent;box-sizing:border-box;display:inline-block"><div class="gmail-section_title_bar" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);display:flex"><h2 class="gmail-font_2200 gmail-text-gray-700-tw2 gmail-sm:text-base gmail-text-sm gmail-leading-7 gmail-font-bold gmail-font-bold" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);font-size:1rem;line-height:1.75rem"><a class="gmail-section_title" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:inherit;outline:0px">(B) Neutral Conductor for Instrumentation, Voltage, Detection or Phase Detection</a></h2><div class="gmail-section_badge_container gmail-flex gmail-items-center" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);display:flex"></div></div><div class="gmail-ordinary_text gmail-section_body" style="padding:0px;margin:18px 0px 19px;border:0px solid rgb(226,232,240);line-height:1.5">A conductor used solely for instrumentation, <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#voltage_of_a_circuit" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">voltage</a> detection, or phase detection and connected to a single-phase or 3-phase <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#interactive_inverter" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">interactive inverter</a>, shall be permitted to be sized at less than the <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#ampacity" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">ampacity</a> of the other current-carrying conductors and shall be sized equal to or larger than the <a class="gmail-autolink" href="https://up.codes/viewer/new_york/nfpa-70-2017/chapter/1/general#grounding_conductor_equipment_egc" style="padding:0px;margin:0px;border:0px solid rgb(226,232,240);color:rgb(120,124,129);outline:0px;text-decoration-line:none">equipment grounding conductor</a>.</div></div></div></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jan 24, 2022 at 11:58 AM Foxfire Energy <<a href="mailto:dan@foxfire-energy.com">dan@foxfire-energy.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I\u2019d 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" target="_blank">jay.peltz@gmail.com</a>> wrote:<br>
> <br>
> \ufeffHI 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>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><a name="SignatureSanitizer__MailAutoSig"><b>Kirk Herander / </b></a><b><a href="mailto:kirkh@vermont.solar" title="Send an email to kirkh@vermont.solar; Send an email to kirkh@vermont.solar" style="color:blue" target="_blank">kirkh@vermont.solar</a></b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b>Owner|Principal, VT Solar, LLC</b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b><i>Celebrating our 31<sup>st</sup> Anniversary 1991-2022!!</i></b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><a href="https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636842843233477645&sdata=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D&reserved=0" title="Click to open in a new window or tab
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