mantis_solar
New Member
I'm looking for some electrical insight. I'm (slowly...) upgrading the power system in my trailer to:
2 AWG cables to the inverter (biggest it can handle), 4 AWG ground cable, 175a Mega fuse.
My question is around grounding the bus bar to the chassis. The stock chassis grounding wire from the existing bus bar is 8 AWG. Per the design I'm following, I should do 2 AWG (1/2 the battery) to the chassis to match the batteries. The issue is that it looks like a royal PITA to route that cable. The hole on the bottom of thee trailer that has everything coming out is filled with foam. OK, I can chip that out and refill it. But it's really hard to reach behind the cabinets and get to that cable routing. How much risk is it living with 8 AWG? For context I'm an engineer and I Really like having things over dimensioned. I'm leaning toward doing it, but I figured I ask for some perspective.
- 2x230 ah Lithium batteries
- 1200 VA Victron inverter
- Lynx distributor
- (bunch of panels, not germane to this question)
2 AWG cables to the inverter (biggest it can handle), 4 AWG ground cable, 175a Mega fuse.
My question is around grounding the bus bar to the chassis. The stock chassis grounding wire from the existing bus bar is 8 AWG. Per the design I'm following, I should do 2 AWG (1/2 the battery) to the chassis to match the batteries. The issue is that it looks like a royal PITA to route that cable. The hole on the bottom of thee trailer that has everything coming out is filled with foam. OK, I can chip that out and refill it. But it's really hard to reach behind the cabinets and get to that cable routing. How much risk is it living with 8 AWG? For context I'm an engineer and I Really like having things over dimensioned. I'm leaning toward doing it, but I figured I ask for some perspective.