I've just been entrusted with a 1959
JetStream 16-footer that only has shore power.
The built-in power cord has a standard 3-prong male plug that works fine at home. At the campground, it immediatly tripped their breaker even with all 4 on-board breakers (three 15-amp & one 20-amp for the water heater) off. I could reach another pole and got the same result so it wasn't their outlet.
I figured I had developed a straight short on the drive to the campground but when I used the adapter to plug into the 30-amp outlet, everything worked, even all at the same time.
Does this make sense or should I call an electrician?
Grateful for any help,