During the construction, the power supply works are one of the key areas that ensure the energy requirements of the building and the entire infrastructure. The power supply system is responsible not only for the stable supply of energy to residential and industrial premises, but also ensures the operation of the building, both for heating, ventilation, lighting and other important systems. Proper design and construction of these systems allows you to avoid overloads and unforeseen accidents, as well as ensure optimal energy use. Power supply systems must be designed to provide full operation for all infrastructure and services, regardless of the size of the building or facility.