This work presents smart lighting and describes its parts and the benefits of installing it. After that, a light-technical calculation was made for one office where smart lighting is planned to be installed. The practical equipment testing was carried out in the laboratory conditions of the company "LEDeno Doba d.o.o." All equipment that will be installed later is tested in the laboratory. The paper also describes communicate for DALI devices used for smart lighting systems. Three control modes are described: manual, automatic and using smart devices. After the connection, in practical part selected equipment was tested with some external signals and interference and the test results showed that the equipment was of high quality and the system worked without problems.