This device is designed for shortcircuiting and earthing the low voltage A.B.C. (Aerial Bundled Conductors). It is connected to a connector for measures and short-circuiting (type CMCC). This equipment is used for earth system a low voltage A.B.C. (Aerial Bundled Conductor). It is connected on shortcircuiting device linked to CMCC connectors (for measures and shortcircuiting).