Where to start?
First, a 30 amp circuit must be limited to 80% (24 amps) when charging an EV. Charging at 30 amps or 32 amps on a 30 amp rated circuit is a code violation.
For a 30 amp circuit if using NM-B wiring, 10 gauge NM-B is limited to 30 amps. 32 amps is over the limit for 10 gauge...