scope:

This specification relates to HD 608: Generic specification for symmetrical pair/quad or multicore cables for digital communications. It covers individually screened pairs or unscreened pairs in cables for work area wiring. The cables shall be provided with a common overall screen. These cables are suitable for different communication systems to which reference is made in relevant detail specifications. The cables covered by this specification are intended to operate with voltages and currents normally adopted for communication systems. These cables shall not be connected to low impedance sources, for example, the public mains electricity supply.