Brand: Bryant Item: Receptacle Housing Material: Nylon molded Color: Black Number of Poles: 4 Application: Industrial heavy duty Voltage Rating: 120/208 VAC Amperage Rating: 20A Wire Size: 14-8 AWG solid or stranded Configuration: NEMA L21-20 Receptacle Type: Single Number of Phases: 3 Number of Wires: 5 With Cap: No Blade Type: Locking Self-grounding: No Copper Wire Only: Yes Bryant industrial heavy duty single locking blade receptacle, 20A, 120/208 VAC, 3-phase, 4-pole, 5-wire, NEMA L21-20, nylon molded housing, black.