White Industrial Grade Power Device 50A Flush Mount Receptacle, NEMA 14-50R Features:
Made of thermoplastic material
Heavy gauge steel mounting strap zinc-plated for corrosion resistance
Receptacle for use with copper wire
Flush receptacles fit one or two gang enclosures
Easy-to-wire terminals accept to No.4 - No.10 AWG conductors
Large head combination screws for fast wiring
Universal plugs include blades for 30A or 50A configurations