Electrical and optical cables; Fiber optic cables; Fiber optic connectors; Fiber optics; Fibre-optic cables; Fibre optic cables; Fibre optic couplings; Junction sleeves for fibre optics; Metal cabinets specially adapted to protect telecommunications equipment in the nature of fiber optic cables; Optical cables; Optical fiber cables; Optical fiber connectors; Optical fibers; Optical fibers sold as a component of fiber optical cables; Optical fibres; Optical fibres, telephone receivers, switchb...