Sold as each. 20 amp. 125/250 volt. NEMA L14-20R. 3P 4W. Industrial grade. Grounding. Super tough nylon body. Black - white. Accepts 14-10 AWG. Cord range:.595 -.895. UL and CSA approved. Lifetime warranty. Replaces SKU # 3162716. Polybagged. Manufacturer number: 021-02413-0PB. Country of origin: United States. Distributed by Leviton Mfg. Co., Inc.