ABSTRACT INSTATION OF LIGHTING IN THE PISIKOLOGI BUILDING OF UIN AR RANIRY BANDA ACEH By Abdul Rasek 1504005010026 The development of electricity technology is currently very rapid, this is in line with the development of technology supporting human equipment both for industry and households, so that for electrical installation systems in buildings, especially high-rise buildings requires careful planning so that the system is able to work very effectively, efficiently and the system is able to overcome the disturbances that occur in the process of distribution or distribution of electricity in the building. Comfort in work or activity is certainly not separated from the provision of good lighting, especially at night or in places where there is light ventilation. Apart from lighting factors, comfort in activities will be achieved if air circulation and humidity levels are good. The provision of power and lighting as well as electrical loads in this case is intended to create a comfortable room with efficient and not excessive power usage. This also refers to energy savings, so that expenditure is more economical. Suggestions and the main goal to be achieved from an electricity installation lighting in this multi-storey building is that the electrical energy needs in this multi-storey building are fulfilled and with the addition of power in the future, all electric energy users in the multi-storey building facilitate all activities and activities in the building, an electricity distribution system that is energy efficient and very efficient. Keywords: Electrical Installation, Electric Power.