The Pass & Seymour L1530R Turnlok Single Locking Receptacle is designed for reliable electrical performance. Key features include Turnlok® Locking Receptacle, Single, 250 VAC, 30 A, 3 hp, 3 Pole, 4 Wires, NEMA L15-30R, Industrial Grade, -40 to 75 deg C, Nylon, Black, 3.3 in Dia x 3.28 in H x 1.61 in W x 1.28 in D.