A Guide to Calculating Wires and Cables . Edition 2" by F. F. Karpova is an indispensable tool for engineers, designers and students studying electrical engineering and related disciplines. This guide is an extensive and carefully researched source of information that will help readers understand the intricacies of choosing and calculating electrical wires and cables in various operating conditions. The second edition of the book was the result of updating and supplementing the previous version, which makes it even more relevant and useful for professionals in the field of electrical engineering. F. F. Karpov, with many years of experience in this field, shares not only theoretical knowledge, but also practical recommendations that will help avoid common mistakes in the design of electrical systems. The guide covers a wide range of topics, including basic principles for calculating wire sections, the choice of cables for various operating conditions, and methods for determining voltage losses and thermal regimes. Readers will be able to familiarize themselves with modern standards and regulations that regulate the selection and installation of electrical wires and cables. The book also contains useful tables and graphs that facilitate the process of calculating and selecting the necessary materials. This book will be especially interesting for those who are just beginning their journey in electrical engineering, as well as experienced professionals who want to update their knowledge. Students of technical universities, graduate students and young engineers will find in it a lot of useful tips and recommendations that will help in their studies and future professional activities. The topics raised in the book range from the basics of electrical engineering to more complex aspects, such as the design of power supply and automation systems. Karpov emphasizes the importance of the correct choice of wires and cables to ensure the safety and reliability of electrical systems. The book also addresses issues of ecology and energy efficiency, which makes it particularly relevant in light of current trends towards sustainable development. The author's style is distinguished by clarity and accessibility of presentation, which makes it easy to assimilate even the most complex concepts. F. F. Karpov is known for his work in electrical engineering and design, and his books are popular with professionals and students. In this edition, it continues its tradition of providing readers with quality and relevant content that meets modern requirements and standards. If you are looking for a reliable source of information on the calculation of wires and cables, then “Guide to the calculation of wires and cables . 2nd Edition will be a real find for you. This book will not only expand your knowledge, but also help you become more confident in your professional skills. Do not miss the opportunity to get acquainted with this valuable resource, which will become your faithful assistant in the world of electrical engineering.