320 Amp 5-Terminal Ringless Side Wireway Overhead/Underground Lever-Bypass Meter SocketMilbank 320 Amp 5 Terminal Ringless Overhead/Underground Meter Socket is used for outdoor underground service applications. This a UL-listed heavy-duty lever bypass, 5 terminal meter socket with the fifth terminal in the 6 o'clock position and side wire way. This meter socket includes line-side, -barrel connectors #4-600 kcmil, load-side, double-barrel connectors #6-350 kcmil and double equipment ground. This meter socket has a hub opening that accepts 1 in. to 2-1/2 in. hub or closing plate. Closing plate included. Hubs sold separately.