Professional, preferred quality meter socket for 125A continuous 600V, 3-wire, single phase service. Outdoor, ringless, 4-jaw, overhead or underground service design with ground wire connector and horn bypass. High-quality G90 steel, polyester-coated enclosure. Hub not included. 8.8 In. x 12.5 In. x 4.5 In. UL (Underwriter's Laboratories) listed.