Leviton 2345 20 Amp, 480 Volt, Flanged Inlet Locking Receptacle, Industrial Grade, Grounding, White Super Tough Nylon Body Resists Damage From Severe Impact, Abrasion and Chemicals NEMA and Non-NEMA Configurations Available Positive Crimp Lock Wire Clamps Available in 15, 20, and 30 Amp Configurations Dielectric Voltage: Withstands 2000V per UL498