Straight Blade Connectors: Connector Type - Locking; Rating - Amps - 20A; Rating - Volts - 250V; Number of Poles - 2P; Number of Wires - 3W; Ground - Grounding; NEMA - L6-20R; Cord Diameter - 0.385 - 0.780; Material - Nylon; Color - Black/White; Manufacturer Brand - Twist-Lock