One thing that i noticed that you have wrong is the ampacities for wire in used in transmission vs chassis wiring. The numbers you have listed are for transmition wiring so they would be the correct sizing for the cables that go to the panel and to the different elements and pumps. But for chassis wiring you can use smaller wire.
#14 THHN copper wire is good for up to 25 Amps
#12 THHN copper wire is good for up to 30 Amps
#10 THHN copper wire is good for up to 40 Amps
These ratings come from The Handbook of Electronic Tables and Formulas for American Wire Gauge. This data is also in NEC Table 310-16.
#14 THHN copper wire is good for up to 25 Amps
#12 THHN copper wire is good for up to 30 Amps
#10 THHN copper wire is good for up to 40 Amps
These ratings come from The Handbook of Electronic Tables and Formulas for American Wire Gauge. This data is also in NEC Table 310-16.