Leviton 071-00278-000 4 Wire 30 Amp 250 Volt Flush Mount Dryer Receptacle Equipped with heavy-gauge, double-wire copper alloy contacts Built of durable thermoplastic To ensure correct and speedy wiring, terminals have ID markings. 30 Amp, 125/250 Volt Fits all wallplates with 2.15" diameter center hole Terminals marked for easy identification and fast wiring All mounting hardware included Flush-mount devices fit single or two-gang outlet boxes Easy-to-wire terminals accept up to No. 4 AWG conductors