<div dir="auto"><div>I regularly use there Kupltap line for supply side and feeder taps. Never had any issue(practical or otherwise). Important to follow the torque specs and install on straight sections of wire.. I most often use the #2-4/0</div><div><br></div><div data-smartmail="gmail_signature"><br> </div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Oct 24, 2025, 8:59\u202fAM AE Solar 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="ltr"><div><font size="2">Wrenches,</font></div><div><font size="2">I called Ilsco today to get some part numbers for IPCs rated for supply side connections, and they said that "all their part numbers are on an engineering hold and are not to be sold". He said that was all he was allowed to tell me. </font></div><div><font size="2"><br></font></div><div><font size="2">I know that their <span style="font-family:"Calibri",sans-serif;color:black">IPC-250-4/0</span> is rated for supply side connections (as per NEC 2023) and had been calling to see if any of their smaller IPC's were rated yet. Anyone have any more information on this 'engineering hold'? What are folks using for supply side connections on residential systems for NEC 2023? Thanks</font></div><div><font size="2">Adam</font></div><div><font size="2"><br></font></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Adam Katzman (he/him)<br>Autonomous Energies | Owner/Operator</div><div dir="ltr"><a href="http://www.autonomousenergies.com" target="_blank" rel="noreferrer">www.AutonomousEnergies.com</a><br>(518) 567-1468<br></div></div><div dir="ltr"><br><br></div></div></div></div></div></div></div></div>
_______________________________________________<br>
List sponsored by Redwood Alliance<br>
<br>
Pay optional member dues here: <a href="http://re-wrenches.org" rel="noreferrer noreferrer" target="_blank">http://re-wrenches.org</a><br>
<br>
List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank" 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" rel="noreferrer 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 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 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 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 noreferrer" target="_blank">http://www.members.re-wrenches.org</a><br>
<br>
</blockquote></div>