Characteristics of cable products as means of energy and information transmission, their classification, as well as the foundations of the theory and technology of production processes are given. Electric and magnetic fields in cable products and related electrophysical processes are considered. The basics of the theory of heat and mass exchange processes taking place in the production and operation of cable products are presented. The basics of the theory of electrical and optical communication cables are given. The issues of automation of production and testing of cable products are considered. For higher education students. It can be useful for engineering and technical workers in the cable industry and specialists involved in the operation of cables and wires.