- Milbank® Meter Socket, 1-Position, 600 VAC, 200 A, 1 ph, 60 Hz Frequency, Overhead/Underground Feed, 4 Jaws, 2 AWG to 350 kcmil Wire, Small Closing Plate Hub, Ringless Cover, Single Lay-In Line Side/Load Side Connector Terminal, Surface Mounting, NEMA 3R Enclosure, 4-1/8 in ID x 11 in OD x 14-9/16 in H Dimensions