Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electricity transformers; parts for transformers, in particular coils, cables; electronic load indicating devices; electrotechnical, electronic and ceramic component parts and assemblies consisting thereof (included in this class); apparatus for measuring, monitoring and analysing operating data from electric goods; data processing programs; mobile apps.

Assembly, maintenance and repair of installations, devices and apparatus in the field of energy distribution and energy storage.