Leviton 2420 20 Amp 250-Volt 3-Phase Flush Mounting Grounding Locking Receptacle， Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Color-Coding Indicated Voltage Ratings</li><li>NEMA and Non-NEMA Configurations Available</li><li>UL V-0 Flammability Rating</li><li>Color-coded voltage rating on face for easy identification</li><li>Backed by a Lifetime Warranty</li><li>Mating Leviton wallplates include the following: 84020-40， 4980-GY， 7420-CR</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41o3t8x7GWL.jpg" noproxy>