The use of modern technologies, materials and equipment in power supply of a country house is considered. Recommendations for supplying electricity and arranging electrical wiring are given. The use of autonomous power supply devices is considered: diesel and gasoline electric generators, wind generators, solar panels, etc. Options for heating a home, creating a water supply system and a pumping station are given. Recommendations are given for the maintenance of electrical devices powered by various types of electric motors. The necessary information for performing welding work independently is provided. Attention is paid to the selection and operation of modern garden electrical equipment: electric trimmer, power tools for trimming hedges, etc. For a wide range of readers.