I'm on the step of where I'm planning my wiring setup for my house electronics. I've got a 50A plug and a 50A dual AC/DC distribution center (AC circuit breakers and DC fuses). The current breakers are mostly 15A with a few 20A, and the fuses are all 20A. I'm going to be running a DC water pump, DC ignition for the propane water heater, 3x DC outlets for phone charging, and overhead lights for DC. I have enough fuses to run individual wires for each of these. AC will be mini fridge, window unit air conditioning, and 4x AC outlets. I have enough breakers to run individual wires for each of these as well.
Looking at this chart:
http://assets.bluesea.com/files/reso...on_chartlg.jpg
The wiring gauge recommended for the length and amperage is #12 or #14 minimum. However, if I drop the amperage to 10A, I can reuse the #16 gauge wiring that I removed from the bus. Most of the bus wiring was #16, but I think a few were #12. Benefits of this is the wiring is readily available, it's already stranded, and I don't have to pay any money for it!
Is this idea feasible? I could use the pulled #12 for the air conditioning unit, but I don't think I have many of those. If I use more wiring, can I get away with smaller wires?