Lectron 240v EV Charger Electric Car charging cable NEMA 14-50- Pls READ Descrip

Lectron 240v EV Charger Electric Car charging cable NEMA 14-50- Pls READ Descrip. The NEMA plug on this unit gets hot when charging for a longer period at 32 amps. It works better when the charge rate is reduced to 16 amps using the button on the control unit. Please review detailed pictures of the actual unit.