I'm looking to rewire my garage. I want to put a sub panel in my detached garage and don't know what size wire would best suit my needs. I'm looking at running
8 lights
10 receptacles
Garage Door
Heater 30 Amp
Air Compressor 20 Amps
Would 8/3 (40 amps) be enough or should I go 6/3 (60 amps)...