The Pass & Seymour L520C Turnlok Locking Connector is designed for reliable electrical performance. Key features include Turnlok® Locking Connector, 125 VAC, 20 A, 1 hp, 2 Pole, 3 Wires, NEMA L5-20R, Industrial Grade, IP20 Enclosure, 0.39 to 1.15 in Cord Dia, -40 to 75 deg C, Screw Terminal, Nylon, Black/White, 2.2 in Dia x 3.33 in L.