This Standard applies to cabling products (including cable and related customer equipment) intended for connection to the customer side of the boundary of a telecommunications network. It does not apply to cabling products intended primarily for the distribution of AC mains supply. It does not apply to products intended to be used for telecommunications earthing systems or telecommunications power distribution (e.g. earthing/power conductors, earthing bars, busbars, earthing/power terminals, line tap devices, earth electrodes and associated fittings, batteries, fuses and circuit breakers). It does not apply to surge suppression devices.