Electrical installation-electrical work up to 1000V, low voltage.
Low-current and high-current installations.
Lightning conductors, earthing.
Public lighting.
Building automation.
Electronic security of buildings (burglar alarm systems, EPS), CCTV camera systems.
Data and telephone lines and networks.
Communication distribution, communication systems.
Supplies and service in the field of measurement and control (MaR).
Electrical installation in potentially explosive atmospheres.