Trainer designed for the study of automation electrical installations in home and buildings. It allows the study of the security, the energy management, the comfort, the communications, etc. Frame with anodized aluminium structure, on which the modules of domotic elements have to be fitted. Modules allowing a quick, easy and secure installation of the domotic elements, without electric risks. Use of the EIB ( european bus “instabus”) installation system. Connection between the different modules through connections ready for such purpose.