1- Power distribution installation (Low voltage power distribution, Socket installation, Power distribution for mechanical installation – motor feedings)
2- Backup power systems (Diesel – generator group, Uninterruptible power supply, Central accumulator group)
3- Lighting (General lighting, Exit / information / direction lighting, Emergency lighting, Outdoor lighting, Special lighting, Lighting control)
4- Reactive power compensation
5- Protection systems (Grounding facility, Lightning protection system, Overvoltage protection, Overcurrent protection, Residual current protection.)
6- Communication systems (Telephone, Information communication network, TV systems, Music broadcast – announcement system, Call system, Central clock system, Intercom systems)
7- Fire detection and alarm systems
8- Security systems
9- Special systems (Congress – conference systems, Simultaneous interpretation system, Audio and video systems)