I have a Victron multi 12 500 and I'm going to install it in my campervan.
The 16mm2 cable will run from the multi through a 100A breaker to a positive bus and then on to the 12v house batteries.
The other 16mm2 cable will run from the multi to the negative bus which is connected (earthed) to the starter battery. The negative bus is also connected to the negative of the house batteries.
Should I still connect the earth point on the multi to the chassis? If so what size cable should I use?