DUPLEX TYPE; THERMOPLASTIC NYLON MATERIAL; BROWN COLOR; 6-20R CONFIGURATION; 3 WIRE(S); INDUSTRIAL, SPECIFICATION, EXTRA HEAVY DUTY GRADE; UL 498, CSA C22.2, NOM 057 APPROVAL; 250 V VOLTAGE RATING; 20 AMPERE CURRENT RATING; GROUNDING; 2 POLE(S)