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.
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