According to the Turkish Language Institution, the meaning of the word "installation" means the installation of vehicles that help to provide a certain job or all of these vehicles that are furnished, flooring, equipment. In general, it is referred to as installation works that fall within the fields of mechanical and electrical engineering in construction works.
Low voltage is the voltage dropped from medium voltage to feed electrical users. It is the tension used in residences and industry.
Medium voltage is the voltage that connects high or very high voltages to low voltage. Medium voltage is used to transport electricity to small campuses or industrial areas.