Plain, threaded and punched busbar and flexible busbar, including supports, clamps, fasteners and fittings therefor; braided and press welded power shunts and jumpers, earthing connectors, kits and mounting clips for busbar electrical distribution blocks, clips, parts and accessories for such blocks, electrical insulators and accessories for such insulators, busbar, braid and cabling sleeves, electrical lugs, profiles, brackets, rails for chassis, construction for mounting electrical devices and for constructing electrical cabinets, surge protection devices, electrical expansion joints, transformer connectors, furnace cable, clamps and pads, bus tubes, deltas, water cooled cables and terminals, software, measuring and testing instruments, and parts and fittings thereof