Electrical connectors; electrical connector sockets; electrical connector units; optical connectors; electro-optical connectors; terminals for optical fibres and telecommunication lines; electrical, optical, fibre-optic and electro-optical interconnection modules; electrical connectors for electronic modules; electrical couplers and coupling systems comprised of electric wires, electrical couplers, electrical contacts, electrical pins, electric resistors, electrical shunt modules, electric capacitors, electric junction modules and electrical sockets; electrical contacts and electric telecommunication contacts; electric junction modules; fibre optic connectors; electrical bulkhead connectors; parts and fittings for all the aforesaid goods, namely, electric cables and wires, fibre optic cables and wires, optical cables and wires, electric capacitors, electric contacts, electrical pins in the nature of electrical contacts, electric plugs, electric resistors and electrical sockets, electrical shunt modules, fitted connector covers used for protection, insulation and colour coding of electrical, optical, fibre-optic and electro-optical connectors, brackets specially adapted for mounting electrical optical, electro-optical and fibre-optic connectors, backshells for supporting wires to the exterior of electrical, optical, electro-optical and fibre-optic connectors, support boots for supporting wires to the exterior of electrical, optical, electro-optical and fibre-optic connectors, backfittings for supporting wires to the exterior of electrical, optical, electro-optical and fibre-optic connectors