I'm helping my brother convert his van into a camper and installing solar panels, a leasure battery, and hook-up point, but I'm slightly confused. I've been working on the hook-up and loads of things have been said to connect Earth from the hook-up to the chassis of the van.
I'm rather worried about this because the vehicle is modern enough to have all the DC systems for the vehicle use the chassis as a negative return path to the battery.
Surely if I connect AC earth and something goes wrong and the AC system tries to ground I would be sending AC live/natural into the negative of the battery setup so I could be feeding a current into the negative of a battery. Would this not fry the DC electronics?
Just on this note: the hook-up point is not being connected to the DC system anywhere; it's completely isolated from the DC system. There are just going to be four AC power outlets that can be used should the hook-up point be connected.
Also, I'm in the UK; this is 240 V and 16 A potential, so should a live or natural wire somehow get shorted to the chassis that is 3840 W drawn quite easily, enough to kill someone touching the outside of the van and the actual ground/earth should a trip fail.