I have a Nissan Leaf and have a brick of an adaptor for J1772. I think it's required for some kind of ground fault or other check circuitry because I know the c

I have a Nissan Leaf and have a brick of an adaptor for J1772. I think it's required for some kind of ground fault or other check circuitry because I know the car has its own built in charging system that deals with AC.