Meter sockets must meet be:
       ▪ Ring-type, to accept a meter sealing ring
       ▪ Rated NEMA 3R -- for exterior use and raintight
       ▪ Installed level, plumb, and fastened securely to a rigid structure
       ▪ All unused openings in the enclosure, closed with plugs and secured tightly from the inside
       ▪ If live lines are installed, covered and sealed with a transparent cover
       ▪ Not jumpered to provide power
       ▪ Acceptable to the power company and Underwriters Laboratories (UL)

Sockets for Residential and Temporary Services
Most residential services, and all temporary services, use a socket with four jaws and a ground terminal.  

		Overhead Service

		Underground Service