Leviton 5374-S00 50 Amp, 250 Volt, Flush Mounting Receptacle, Straight Blade, Industrial Grade, Grounding, Black, 1-Pack Built of durable thermoplastic, Leviton power receptacles ? come equipped with heavy-gauge, double-wire copper alloy contacts. flush mount receptacles fit leviton?s wide range of 2.15?-Diameter wallplates and mounting hardware is included. Features Heavy-gauge, double-wipe Copper alloy contacts Easy-to-wire terminals accept up to no. 4 AWG conductors Terminals marked for easy identification and fast wiring All mounting hardware included Do not use with single-gang wallboxes, single-gang mud rings or single-gang box extenders USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.