Milbank® Meter Socket, Ringless, 240 VAC, 320 A, 1 Phase, 60 Hz Frequency, Overhead/Underground Feed, 4 Jaws, 6 AWG to 350 kcmil Wire, Plate Hub, Surface Mounting, NEMA 3R Enclosure, 42-7/16 in H x 15 in W x 4-7/8 in D Dimensions