The brochure provides definitions of elements of power lines with voltage above 1000 v with pin insulators and technical requirements for the arrangement of these lines, installation materials: wires, pin, porcelain and glass insulators and fasteners. You will also learn about the tools, mechanisms, and accessories you need. Methods of work on rolling, connecting, tensioning and fixing wires on pin insulators are described. The duties of the installers are given, as well as the methods of safe performance of work on the installation of wires.