Electrical and communication cables and conduits including co-axial cables, materials for electricity mains; switches, connectors, controllers, and other apparatus in this class for use with or in relation to electrical cables; optical fibre cables of all kinds; equipment, terminals and connectors for use with optical fibre cables, including optical transmitters and receivers, forward and reverse path optical receivers, control switch modules, optical amplifiers, optical switching control and optical status monitoring apparatus, optical splitters; cables in this class being a combination of electrical and/or communication and/or co-axial and/or data transmission and/or optical fibre cables; cables or similar devices in this class for the transmission of electricity or electrical, electronic, digital data, communication and/or optical signals; electrical batteries including wet-cell-type electrical batteries; stand-by and power fail back-up batteries for use with emergency lighting equipment, communication equipment, and other equipment; battery chargers and re-chargers, including built-in battery chargers and re-chargers; safety headgear, life buoyancy equipment, safety clothing including gloves and aprons, safety footwear including boots; emergency lighting equipment, including stand-by and power fail batteries