Southwire Service Entrance Wire 500 Ft. 2-2-2-4 Gray Stranded Al SER Cable 500 Ft.Type SE, Style SER Service Entrance Cable. 600 Volt. Alumaflex Brand Aluminum Alloy (AA 8176) Conductors. Individual Conductors Rated XHHW or THHN THWN Jacket and Inner Conductors are Sunlight Resistant. Southwire Type SE, Style SER service entrance cable is primarily used to convey power from the service drop to the meter base and from the meter base to the distribution panelboard; however, it may be used in all applications where Type SE cable is