S-Pb: ENSTO ROSEP, 2004. — 138 s. Authors: Login C. E. , Logins A. In. , Shamanov D. G. Strikes B. M. This edition is devoted to the design of overhead power lines of 0.38-20 kV with self-supporting isolated and protected wires. The use of self-supporting insulated and protected wires is by far the most progressive and promising way to develop electric distribution networks. The high economic efficiency of the use of such wires is achieved by significantly increasing the reliability of electricity supply to consumers, reducing electricity losses and sharply reducing operating costs compared to non-insulated wires. It consists of four books .. Book 1 - "A system of self-supporting isolated wires up to 1 kV without a separate carrier element" , Book 2 - "A system of self-supporting isolated wires up to 1 kV with an isolated zero carrier conductor" , Book 3 - "A system of self-supporting insulated wires up to 1 kV with a non-insulated zero-carrier conductor" , Book 4 - "The system of protected wires with a voltage of 6-20 kV" . Book 2 provides materials for use in electrical and mechanical calculations of power line elements, mounting support diagrams, recommendations for the selection of linear fittings by ENSTO for a system of self-supporting insulated wires with an isolated zero-carrying conductor. The manual is intended for engineering and technical workers involved in the design, construction and operation of electrical networks. As well as for students of advanced training courses and students of electric power higher and secondary educational institutions as a teaching aid and reference manual.