Milbank® Meter Socket, 1-Position, 600 VAC, 320 A, 1 ph, 60 Hz Frequency, Overhead/Underground Feed, 4 Jaws, Large Closing Plate Hub, Ringless Cover, 3/8 in Stud Line/Load Side Terminal, Surface Mounting, NEMA 3R Enclosure, 6-1/2 in ID x 17-3/4 in OD x 34-1/8 in H Dimensions