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
On Fri, Oct 24, 2025, 8:59 AM AE Solar via RE-wrenches < [email protected]> wrote: > Wrenches, > 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. > > I know that their IPC-250-4/0 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 > Adam > > Adam Katzman (he/him) > Autonomous Energies | Owner/Operator > www.AutonomousEnergies.com <http://www.autonomousenergies.com> > (518) 567-1468 > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/[email protected]/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org

