The book "Study of protective immersion" by B. In. Tupova is a fascinating and deep dive into the world of electrical engineering and safety that will be of interest to both professionals and students studying this field. In his work, the author offers readers not only theoretical knowledge, but also practical recommendations that will help to better understand the importance of protective immersion in electrical systems. In. In. Tupov, a well-known specialist in the field of electrical engineering, shares his experience and experience, which can be useful for both engineers and teachers. The book is written in accessible language, which makes it suitable for a wide audience. It will be of interest not only to professional electricians, but also to students of technical universities, as well as to anyone interested in safety issues in electrical systems. The main theme of the book is the safety plunge, which is one of the key elements of the safety of electrical installations. Tupov examines in detail the principles of the protective plunge, its purpose and the impact on the safety of people and equipment .. It explains how to properly organize a protective plunge in various conditions, and also analyzes typical errors that can lead to emergency situations. One of the strengths of the book is its practical focus. The author is not limited only to theoretical calculations, but offers real examples from his practice, which allows readers to better assimilate the material. Tupov also pays attention to modern technologies and methods that can be used to increase the effectiveness of protective immersion. This makes the book especially relevant in light of the rapid development of technologies and new challenges in the field of electrical engineering. The book "Study of protective immersion" raises important topics related to the safety and reliability of electrical systems. It addresses not only technical aspects, but also issues related to the legislation and standards governing this area. Tupov focuses on the need to comply with rules and regulations, which makes the book useful not only for practitioners, but also for those involved in the design and operation of electrical installations. Readers interested in the topics of electrical engineering, safety and engineering will find in this book many useful ideas and recommendations. It will be an excellent addition to the library of any specialist working in the field of electricity, as well as students seeking to deepen their knowledge in this important and relevant field. The author's style is distinguished by clarity and logical presentation, which makes it easy to perceive even the most complex concepts. In. In. Tupov is also known for his other works on electrical engineering and safety, and his expertise in the field makes every page of the book valuable to the reader. If you are looking for a book that will help you understand the issues of protective immersion, improve your skills or simply expand your horizons in the field of electrical engineering, the “Study of protective immersion” will be an excellent choice. This work is not only informative, but also inspires further study of topics related to the safety and efficiency of electrical systems. Do not miss the opportunity to touch the knowledge that can change your idea of safety in electrical engineering!