Pass & Seymour 30/50 Amp Plug

Model 3867CC5

 30A/50A, 125/250V, Black, 3 Pole, 4 Wire Grounding, Heavy Duty Dual Power Range/Dryer Angle Plug, NEMA 14-30/14-50, UL, Federal Specification, CSA, Interchangeable Blades Allowing Either A 30A, Or 50A, Configuration, Dead Front Design.

Cord Range #10-4 to #6-4, SRD,SJ, SO

 New and in the box.