Milbank® Meter Socket, 1-Position, 600 VAC, 320 A, 1 ph, 60 Hz Frequency, Underground Feed, 5 Jaws, Plain Top Hub, Ringless Cover, 3/8 in Stud Line/Load Side Terminal, Surface Mounting, NEMA 3R Enclosure, 4-7/8 in ID x 15 in OD x 30 in H Dimensions