Molex 03-09-1032 CONN RECEPTACLE 3POS .093 https://www.digikey.com/produc...1032/WM1332-ND/61321
The Hot is the center pin, and the Common is the bottom. The top pin is only used on the ZW-C transformers for jumpering a brick from one channel to the next in line. The common is the ridged lead on the cord, the hot is the smooth lead.