The Study of Protective Grounding : methodological instructions for laboratory work No. 21 on the course Life Safety" is a unique manual created by the team of authors, which will become an indispensable assistant for students and specialists in the field of life safety and electrical engineering. This publication not only provides theoretical knowledge, but also focuses on the practical application of protective grounding, which makes it relevant to all who seek to deepen their knowledge in this important area. The book discusses in detail the main aspects of protective grounding, its importance and role in ensuring the safety of people and equipment. The authors invite readers to immerse themselves in the world of electrical research, where every action matters. The book covers topics such as the principles of protective grounding, methods of its verification and testing, as well as the analysis of possible emergency situations and their prevention. This makes the manual not only educational material, but also a practical guide that will be useful to both students and experienced professionals. Who can like this publication? First of all, it is addressed to students of technical universities studying courses on life safety, electrical engineering and related disciplines . The book will also be of interest to teachers who are looking for high-quality methodological guidelines for the organization of laboratory work. Electrical safety specialists and engineers working in the field of design and operation of electrical systems will also find in this manual a lot of useful information. One of the key topics raised in the book is the importance of protective grounding in modern electrical systems. The authors emphasize that proper grounding not only protects equipment from damage, but also ensures the safety of people working with electricity. With the constant growth of technological loads and the increase in the number of electrical devices, safety issues are becoming especially urgent. The book helps readers realize that neglecting protective grounding can lead to serious consequences, including injuries and material losses. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes complex technical aspects understandable even for beginners. They use examples from practice to illustrate theoretical positions, which contributes to better assimilation of the material. This publication perfectly complements other well-known works in the field of life safety and electrical engineering, such as “Electric Safety: Basics and Practices” and “Basics of Electrical and Electronics Engineering”, allowing readers to expand their knowledge and skills. The book “Study of Protective Grounding” is not just methodological guidance, but a whole world in which security and technology are intertwined, creating a reliable basis for future specialists. If you are looking for a high-quality, informative and practical guide that will help you understand the intricacies of protective grounding, this publication will become your faithful companion on the way to professional growth. Do not miss the opportunity to deepen your knowledge and become an expert in the field of life safety!