The solution in our case was to shine up all the copper ground wires and tighten ground connections - everything from the electrode back to the inverter, and to the EV charger. *David *
On Wed, Jun 3, 2026 at 6:58 AM Chris Sparadeo via RE-wrenches < [email protected]> wrote: > Jay, > > Most leve 2 EVSE do not require a neutral wire and come with internal GFCI > protection. It’s best to hardwire the charger to avoid additional GCFI OCPD > requirements and potential nuisance tripping that come along with NEMA > 14-50 plug in installations. > > On Wed, Jun 3, 2026 at 9:34 AM Jay via RE-wrenches < > [email protected]> wrote: > >> And what if the charger doesn’t have a neutral, just a ground? >> Does the same issue apply? >> >> On Jun 3, 2026, at 7:14 AM, Tyrone Houck via RE-wrenches < >> [email protected]> wrote: >> >> >> >> I have seen chargers cause afci/gfci fault errors off grid when there >> were redundant neutral bonds and scenarios where a better electrode was >> needed. In my experience car chargers are sensitive to needing a solid >> ground connection. >> >> >> >> >> On Wed, Jun 3, 2026, 6:05 AM Jay via RE-wrenches < >> [email protected]> wrote: >> >>> Hi all. >>> >>> I have someone with a SOL ark 12 (9kw max offgrid) who hooked up a EV >>> charger and it’s now tripping ac dual arc/gfi breakers. >>> I figure the charger or car or both are making noise and the breakers >>> trip. >>> The charger is set to 16 amps. >>> >>> I guess my question is since this doesn’t happen on grid, or at least I >>> never hear about it, is this an issue anyone has seen in other offgrid >>> install? >>> >>> Thx >>> >>> Jay >>> >>> >>> >>> >>> _______________________________________________ >>> 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 >> >> _______________________________________________ >> 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 > >
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