Features heavy galvanized steel and mounting strap to resist corrosion.;Patented lay-in terminals accept up to #4 AWG;Back features concentric knockouts and an adjustable cord clamp to allow wiring from back and bottom;Features 3-Pole/3-Wiring with a Nema Standard of 10-50R with 125/250 Voltage;To be used with aluminum or copper wiring

• Eaton WD112 50-Amp 125-Volts 2-Pole 3-Wire Surface Mount Range Power Receptacle, Black
• Black

Eaton WD112 50-Amp 125-Volts 2-Pole 3-Wire Surface Mount Range Power Receptacle, BlackCooper Wiring