<div dir="auto">My experience has been that nuisance tripping of AFCI and GFCI devices can be caused by excessive THD. </div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><br>William Miller<br>Miller Solar.com<br>805-438-5600<br><a href="http://www.millersolar.com">www.millersolar.com</a><br></div></div></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Jun 5, 2026 at 11:25 AM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div dir="ltr"></div><div dir="ltr">I’ve seen GFCI have all sorts of weird issues. Not enough data to put the blame on the inverter. </div><div dir="ltr">I’d try different  big load or move the device to a different outlet and see what it does. </div><div dir="ltr"><br></div><div dir="ltr">Good luck</div><div dir="ltr"><br><blockquote type="cite">On Jun 5, 2026, at 9:19 AM, Drake Chamberlin via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
<p><span style="font-size:12pt">I called EG4 tech support about this question. They said to use a commercial grade, 20 A GFCI receptacle. </span></p>
<p><span style="font-size:12pt">My question is: "isn't a 15 and 20 A GFCI electronically the same? Isn't the only difference in the faceplate?"</span></p>
<p><span style="font-size:12pt">Thank you,</span></p>
<p><span style="font-size:12pt">Drake </span></p>
<div id="m_-8838365796657644916signature">---<br>
<div style="margin:0;padding:0;font-family:monospace"> </div>
</div>
<p><em>Drake Chamberlin</em></p>
<p><em>Athens Electric LLC</em></p>
<p><em>Ohio Electrical Contractor’s License 44810</em></p>
<p><em>NABCEP Certified PV Installation Professional</em></p>
<p id="m_-8838365796657644916reply-intro">On 2026-06-04 11:40, Drake Chamberlin via RE-wrenches wrote:</p>
<blockquote type="cite" style="padding:0 0.4em;border-left:#1010ff 2px solid;margin:0">
<div id="m_-8838365796657644916replybody1" style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<div style="margin:0;padding:0;font-family:monospace"><span style="font-size:12pt">A commercial grade, Hubble GFCI receptacle is nuisance tripping on an EG4 XP6000 inverter. It holds fine on an LED light bulb. Under a heavy load (PVC Heater), it trips after a minute or so.</span></div>
<div style="margin:0;padding:0;font-family:monospace"> </div>
<div style="margin:0;padding:0;font-family:monospace"><span style="font-size:12pt">Is there a GFCI receptacle brand that works better with the XP6000 inverter?</span></div>
<div style="margin:0;padding:0;font-family:monospace"> </div>
<div style="margin:0;padding:0;font-family:monospace"><span style="font-size:12pt">Thank you,</span></div>
<div style="margin:0;padding:0;font-family:monospace"> </div>
<div style="margin:0;padding:0;font-family:monospace"><span style="font-size:12pt">Drake </span></div>
<div style="margin:0;padding:0;font-family:monospace"> </div>
<div style="margin:0;padding:0;font-family:monospace"> 
<p><em>Drake Chamberlin</em></p>
<p><em>Athens Electric LLC</em></p>
<p><em>Ohio Electrical Contractor’s License 44810</em></p>
<p><em>NABCEP Certified PV Installation Professional</em></p>
 <br><br>
<div id="m_-8838365796657644916v1signature">-- <br>
<div style="margin:0;padding:0;font-family:monospace"> </div>
</div>
</div>
</div>
<br>
<div 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" rel="noopener noreferrer" target="_blank">http://re-wrenches.org</a><br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">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" rel="noopener noreferrer" target="_blank">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/" rel="noopener noreferrer" target="_blank">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" rel="noopener noreferrer" target="_blank">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" rel="noopener noreferrer" target="_blank">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" rel="noopener noreferrer" target="_blank">http://www.members.re-wrenches.org</a><br><br></div>
</blockquote>

<span>_______________________________________________</span><br><span>List sponsored by Redwood Alliance</span><br><span></span><br><span>Pay optional member dues here: <a href="http://re-wrenches.org" target="_blank">http://re-wrenches.org</a></span><br><span></span><br><span>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a></span><br><span></span><br><span>Change listserver email address & settings:</span><br><span><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>There are two list archives for searching. When one doesn't work, try the other:</span><br><span><a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" target="_blank">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a></span><br><span><a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>List rules & etiquette:</span><br><span><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank">http://www.re-wrenches.org/etiquette.htm</a></span><br><span></span><br><span>Check out or update participant bios:</span><br><span><a href="http://www.members.re-wrenches.org" target="_blank">http://www.members.re-wrenches.org</a></span><br><span></span><br></div></blockquote></div>_______________________________________________<br>
List sponsored by Redwood Alliance<br>
<br>
Pay optional member dues here: <a href="http://re-wrenches.org" rel="noreferrer" target="_blank">http://re-wrenches.org</a><br>
<br>
List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">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" rel="noreferrer" target="_blank">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/" rel="noreferrer" target="_blank">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" rel="noreferrer" target="_blank">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" rel="noreferrer" target="_blank">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" rel="noreferrer" target="_blank">http://www.members.re-wrenches.org</a><br>
<br>
</blockquote></div></div>