Two runs of 4 gauge vs 1/0 gauge

[LeadPaint]

It's still a relevant question, and anyone starting up a new build may need this information. Math, and electricity—they're probably the only constants in this hobby!

I don't why this didn't click for me till I saw your post. I realized I've been pretty lucky over the years myself and that I need to rewire my system now. I paralleled 1/0 with 8ga
Also, I'm not the op