Help with Wiring New 12v System
Cross posted on a couple sites... Hello all. My first post here. I am working on a project to install electrical system in a converted cargo trailer. New to DC wiring. Trailer is starting from scra...
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I don't have a favorite calculator. Anyway, if you have a 45amp system, I would wire for that maximum amount. So that would be 5' away for a total pos-neg wire run of 10 ft. 8 gauge is not excessive. How much power you draw is only one consideration. You need to wire the system for the max charging at 45 amps. If your distance estimate is off a couple of feet, that would put you closer to 6 gauge wiring.
