Sorry that I haven't responded yet, but this is the first chance I've had to try some of the posted suggestions and to respond.
Unfortunately, the building electrical guy is out today, so I don't know what he used to check for a ground fault. I'll let you know when I find out.
FYI: The FFE...
I've got a weird FFE charging issue that seems like some sort of business building ground fault problem, and I'm wondering if anyone else has seen something similar.
There are some 110V and 208V outlets in a section of our business building where I can't get my 2013 FFE to charge. It won't...