Preparatory stage. This includes the installation of fasteners and parts necessary for the subsequent fasteners of electrical equipment and electrical installations. If necessary, the foundation and ceilings are laid for the installation of electrical conductive lines. In parallel with the preparation of the facility, the assembly of electrical equipment and structures from the cable, the production of pipe blocks, cable systems, wires for the installation of lighting networks are carried out. These works are carried out separately, outside the training zone in professional installation rooms equipped with all the necessary.