The modern power grid is evolving with the emergence of new loads, new safety requirements, and new tasks. The directory contains information necessary for a modern home electrician on elements of the home electrical network, electrical safety, efficient light sources, metering and energy saving. The material is presented on the modern basis of the new 7th edition of the PUE (Rules for the Construction of Electrical Installations). The book will be useful both for those who are renovating an apartment and for those who are forming the electrical network of a cottage under construction or a purchased apartment in a new building in the “unfinished” state for their tasks , after the builders.” Many interesting examples, useful tips, important warnings, drawings and tables are given. The book and virtual video course are easy to understand; the reader finds simple answers to many complex questions. At the same time, we should not forget that a number of complex issues of power supply must be resolved by professionals together with you. The book is intended for a wide range of readers. The information will be useful for both “advanced” electricians and those who want to master the art of a home electrician. This is a reference book for every man. The virtual video course is located at You will find dozens of professionally produced videos designed for today's home electricians.