Here is a good summary of the NEC generator bonding rules. I don't agree that its important to un bond the generator when feeding your main panel, but it does violate the code.
https://www.youtube.com/watch?v=gchq6G5Wc8M Phil On Monday, February 16, 2026 at 01:00:01 AM EST, DOOLEY PHILIP G JR <[email protected]> wrote: Generator neutral should be tied to generator case and a ground rod unless tied to a service entrance panel where they are tied together. Consult the current NEC for more details. Phil On Sunday, February 15, 2026 at 10:31:40 PM EST, Jay Summet via EV <[email protected]> wrote: Out of curiosity, how does the ground detection circuit work (and how doe the 100k resistors trick it?) [Also, if you instead drove a grounding rod into the ground and connected it to the ground pin on your plug, would that work as well to actually provide a ground? Or would neutral have to be involved?] Jay On 2/14/26 16:50, (-Phil-) via EV wrote: > Yes, most all EVSEs have a ground check safety feature. To bypass this > temporarily: > Take a screw-on plug (NEMA 5-15P) and install two 1 watt 100k ohm > resistors. One from neutral (silver screw) to ground (green), and the other > from hot (gold screw) to ground (green). Then simply plug this into one > outlet on the generator/power station, and your EVSE into the other. This > will safely pass the ground detect on the EVSE, while not being a hazard in > any other way. You definitely don't want a "hard bond" to one side > without a proper ground rod. > _______________________________________________ Address messages to [email protected] No other addresses in TO and CC fields HELP: http://www.evdl.org/help/ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20260217/a593a07d/attachment.htm> _______________________________________________ Address messages to [email protected] No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
