The manual describes the types and brands of power cables, their areas of application; types of conductive cores, insulation, fillers, screens, protective shells, and covers. Installation kits, special tools and accessories for cable works are described. A section is given on the design and arrangement of gas equipment, work technology and safety measures when using gas for the installation of couplings and seals. The book is intended for personnel engaged in the operation of energy facilities, students of the industry training system, retraining and students of advanced training courses.