Straight Blade Plugs: Plug Type - Locking, Corrosion Resistant; Rating - Amps - 50A; Rating - Volts - 250VDC/600VAC; Number of Poles - 3P; Number of Wires - 4W; Ground - Grounding; NEMA - Non-NEMA; Cord Diameter - 0.680 - 1.120; Material - Nylon; Manufacturer Brand - Turnlok