GFCI and an Open Ground
Given: A 120 VAC GFCI supplying power to a 30 AMP RV. The RV has one problem, the 3rd Prong Ground wire at the 30 AMP plug is not making connection. (The RV chassis is floating because there are no ot...
Forum Discussion
Harvard wrote:
Assuming there are now two faults, one being the floating chassis and the second being the person standing on EARTH being exposed to the 120VAC supply to the RV. Yes, the GFCI would trip.
Three faults, I suppose. The lack of an EGC, the hot being exposed somehow (hot to casing, etc.), and the person having low impedance to earth and also touching the exposed hot.
But if there is only one fault, the open ground (floating chassis), a person receiving the "tingle" while providing the path from the 40VAC CHASSIS to EARTH.
No, I do not think the GFCI would trip.
This I do not understand. How did we get a chassis to 40VAC? Separately, if the chassis is energized at any voltage, how is this different than the scenario already described above?
Thanks!
