I discovered that all the outlets in my RV test to have a "bad ground". Since the outlets involve multiple circuits, I assume that the problem is associated with the main ground. The shore power outlet is ok and the ground on the main bus is solid an...
Larry Cad - Yes, I'm using 3-light plug-in tester that shows the 6 possibilities. I am plugged into a campground shore power. I asked campground maintenance to test the shore power plug-in. Seems like testing with generator power would be a good idea...
