Apparatus and instruments, modular or non-modular, for electric current supply, for conducting, transmitting, distributing, branching, transforming, accumulating, adjusting or controlling electric current; electrical fittings and wiring accessories in this class including, electrical connectors, coaxial adaptors, electric switches, electrical and electronical wires, keyswitches, network switches, electric or electronic patchcords; computer cables, electrical, coaxial, fibre optic cables; computer mouse