Marinco 3014C 30 Amp, 125 Volt/250 Volt, Connector, Locking

Female. 30A 125/250V 3P4W (L14-30R) Standard NEMA Locking connector. 3-Pole, 4-Wire. NEMA L14-30R. Internal cord clamp with removable insert to accommodate cable from .465" (12/4 SJ) through 1.050" (8/4 S).