Cable of communication telephone with copper conductors, with polyethylene insulation and sheath, shielded, armoured with steel tapes, in a protective hose made of polyvinylchloride plasticate of reduced flammability. Cables are designed for use in local telephone networks with rated AC voltage up to 225 V frequency 50 Hz or DC voltage up to 315 V, including for the organisation of local communication in explosive environments, in rooms with chemically active substances within MPC, in mines and mines dangerous for gas and dust.
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