The book "Insulation of high voltage electrical installations", written by a team of authors led by L. C. Sinenko, is an important work in the field of electrical engineering, which will be of interest to both specialists and students seeking to deepen their knowledge in this complex and multifaceted topic. With the rapid development of technology and increasing demand for reliable energy sources, issues related to the insulation of electrical installations are becoming especially relevant. This book discusses in detail the main aspects of insulation of high voltage electrical installations, including materials, designs, and test methods. The authors draw attention to the importance of high-quality insulation to ensure the safe and efficient operation of electrical systems. They analyze various types of insulation materials, their characteristics and application in modern conditions. Readers will be able to learn about new technologies and techniques that help improve the reliability and durability of insulation, which is certainly a key factor in preventing accidents and power grid failures. The book will be especially useful for students of technical universities, graduate students, as well as practicing engineers and specialists in the field of electrical engineering and energy. It can become an indispensable reference for those who are engaged in the design, installation and maintenance of electrical installations. The topics discussed in the book cover both theoretical foundations and practical aspects, making it a universal source of information for a wide range of readers. One of the key topics raised in the book is the impact of external factors on insulation, such as temperature, humidity, and mechanical loads. The authors explain in detail how these factors can affect the durability of insulating materials and offer recommendations for their selection and operation. This knowledge is especially important in the face of changing climate and an increase in the number of extreme weather events that can adversely affect the operation of electrical installations. The style of presentation of the authors is clear and accessible, which makes it easy to assimilate even the most complex concepts. The book is filled with illustrations, graphs and tables that help to visualize information and make the material more visual. This is especially important for technical literature, where understanding visual data can play a crucial role in mastering the material. L. C. Sinenko, as one of the leading specialists in the field of electrical engineering, has a lot of publications and research, which gives additional value to this book. His experience and knowledge gathered as part of the work on this book make it not only theoretically sound, but also practically applicable in real conditions. Readers familiar with his other works will be able to appreciate the consistency and depth of analysis inherent in all of his works. The book “Insulation of high voltage electrical installations” will be an excellent addition to the library of any engineer or student interested in electrical engineering. It not only expands the horizons of knowledge, but also inspires new research and discoveries in the field of insulation technologies. If you are looking for a reliable source of information on this topic, this book will be your faithful companion on the way to professional growth and development.