Clabletronix 10 Meter Box Corner Clamp UL LISTED CT-MPBC Satellite CATV Installation Mounts on the corner of a electric meter to provide a ground without OPENING meter front cover . UL listed, Yellow chromite galvanized steel. Used with 10 to 14 AWG ground wire. Used for phone, cable, satellite, and other low voltage installations. included:10 METER BOX CORNER CLAMP UL LISTED