Hubbell - CS8369Locking Devices, Twist Lock, Industrial, Receptacle, 50A 3 Phase Delta 250V AC, 3 Pole 4 Wire Grounding, Non NEMA, Screw Terminal, Black Thermoset construction offers high heat resistance Armored housing provides superior impact resistance One piece contacts provide low operating temperatures Authorized Hubbell Distributor **Beware of buying counterfeit electrical products** Looking for a product you don't see? Call our knowledgeable sales staff 800