At the other end of the scale, an AWG reading of 2 translates to a wire CSA of 33.6 mm2 ... So, what about the middle of the spectrum? A 12-AWG wire is one with a 3.31 mm2 CSA. Wires of this size are ...

Any twist-on wire connectors or Wirenuts® are also not counted ... (300.14) The volume allowances for commonly used conductors sizes are as follows: 14 AWG – 2.00 cubic inches 12 AWG – 2.25 cubic ...