Straight Blade Plugs: Plug Type - Locking; Rating - Amps - 30A; Rating - Volts - 125/250V; Number of Poles - 3P; Number of Wires - 4W; Ground - Grounding; NEMA - L14-30P; Cord Diameter - 0.385 - 1.150; Material - Nylon; Color - Black/White; Manufacturer Brand - Turnlok