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The FAA has a similar view. Theis is an article I did for our mag 5 years ago. Controlling the lights on several circuits is the thing to do or course. On my truck I have a panel made by Blue Sea and everything I added runs to it. I don't have stadium lights--or any aftermarket lights, but if I did, I would have each pair switchable through it.Your personal vehicle modifications are obviously not subject to the National Electric Code, but...
according to NEC regulations on Allow Ampacities of Single Insulated Conductors rated 0-2000V in Free air, a current of 130A requires a 4 gauge wire with 90°C insulation (it's good up to 140A). For 60° insulation you'd need 2 AWG and 75° insulation would require 3. The insulation class is usually printed on the insulation.
Not saying your wire is going to melt the second you turn your lights on, and there are obviously more than a few that have used 8 AWG, but if the NEC considers it unsafe to use any less in a house or other building, then it's probably for a good reason.