Leviton 2420 20 Amp 250-Volt 3-Phase Flush Mounting Grounding Locking Receptacle, Black Color-Coding Indicated Voltage Ratings NEMA and Non-NEMA Configurations Available UL V-0 Flammability Rating Color-coded voltage rating on face for easy identification Backed by a Lifetime Warranty Mating Leviton wallplates include the following: 84020-40, 4980-GY, 7420-CR