Housing and communal services and management of apartment buildings. Capital repair services of the common property of apartment buildings. General requirements
Connecting devices. Devices for the connection of aluminium conductors in clamping units of any material and copper conductors in aluminium bodied clamping units. General requirements and methods of tests
United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Local automation devices for preventing stability violations. Norms and requirements
