A meter main is an electrical component that is required by law that is used to disconnect the incoming power to a building from outside of the building. We have a selection of meter mains from brands like Siemens to meet your needs. Breaker Outlet carries many different circuit breakers, transformers, safety switches, busway plugs, breaker panels, and meter mains that you might need to complete any wiring job or repairs. Shop with us today to find whatever you need for your electrical needs. We pride ourselves on carrying the latest products as well as products that work with older models of circuit breakers.