Electrical cables and leads; data cables and leads; telecommunication cables and leads; computer cables and leads; and connectors and fittings for all of the foregoing cables and leads; cables for electronic transmission; cables for optical signal transmission; cables for signal transmission systems; coaxial cables; data transmission cables; electronic cables; flexible electric cables; flexible sheaths for electric cables; flexible ducting containing electric cables; flexible ducting of metal for holding electric cables; flexible sheaths of elastomeric materials for electric cables; flexible sheaths of plastics materials for electric cables; rubber cables (electric); optical cables; heat resistant electric cables; terminals(connectors) for electric cables; pin and socket strips for electric cables; electrical cable apparatus; electric adapter cables; cable covers (conduits); bundles of electric cabling; apparatus for joining electric cables