9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electric current; apparatus for indicating, detecting, measuring voltage on or near overhead or underground electric lines or installations; connection equipment for overhead and underground lines for low and very high voltage, namely, connectors, satellites for connectors, spindle adapters, connection bars, watertight junction modules, connectors for electric lines, cable junction sleeves, connection end caps, terminal blocks; battery chargers and battery charging equipment; cable conduit tubing; accessories of metal for equipment for grounding (or earthing) cables for the safety of persons in contact or in the vecinity of low, or high-voltage electric lines or installations, namely, connectors, earthing clamps, lugs, cut-off bars, wire clamps, earthing grids and plates, earthing stakes