This situation is excluded with a thought -out approach to the placement of sockets and switches in the room, during installation of electrical wiring during construction or overhaul. These are only a small part of the questions that must be taken into account when carrying out electrical work. The full complex includes thorough preparation, which consists in compiling a scheme based on the customer’s task indicating the specific locations of the planned electricity, in the case of a dwelling, or industrial, in the case of a production premises or office.