30/50a Blk 2p Hd Plug

30A,/50A, 250V, Black, 2 Pole, 3 Wire Grounding, Heavy Duty Dual Power Angle Plug, NEMA 6-30/6-50, UL, Federal Specification, CSA, Interchangeable Blades Allowing Either A 30A, Or 50A, Configuration, UL Listed For Use With Aluminum Wire, Dead Front Design, Box.