Cables for optical signal transmission; cables for signal transmission systems; cables, electric; coaxial cables; combined electrical and optical cables; communications cables; computer cables; conduit for electric cables; data transmission cables; ducting for electric cables; electric cables; electrical cables for sale on reels; electronic cables; flexible ducting containing electric cables; flexible electric cables; insulated electric cables; insulated electric cables; insulated electrical cables; optical cables; optical fibre cables; plastic insulated cables (electric) for computers