[RE-wrenches] Ev charger off grid

[David Quattro]

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 <
re-wrenches at lists.re-wrenches.org> 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 <
> re-wrenches at lists.re-wrenches.org> 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 <
>> re-wrenches at lists.re-wrenches.org> 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 <
>> re-wrenches at lists.re-wrenches.org> 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
>>>
>>>
>>>
>>>
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