The installation of a whole electrical system consists of
- Mechanical and electrical methods of distributing electricity
- Electricity distribution systems operating at medium to high voltage
- Transformers, RMUs, and switchgear for high, medium, and low voltages
- Illumination for public spaces and ornamental lighting
- Protection against lightning and earth networks
- Distribution Panels (Primary, Secondary, and Final), Small Power, Lighting, Dimming/Lighting Control System, Central Battery Systems, Generators, Synchronising Panels, Automatic Transfer Switches/Uninterruptible Power Supplies (ATS/MTS), and Frequency Converters (50 Hz, 400 Hz, and 60 Hz)