4
Electrical energy
7
Current generators and parts thereof; filters constituting parts of machines and motors
9
Electric apparatus and instruments for the conveying, conducting, distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and control of electric current; electric filters; electric active filters; active power filters for use in electric power systems; active harmonic filters; electric power loss indicators; voltage compensators and alternating current compensators; electrical disturbance attenuators; electric condensers; voltage regulators and regulators of electric current; inverters; electric converters; main power conditioners; transformers; capacitors for energy storage; software for measuring, signaling, checking or control of electricity; inductors; electric plugs; electric sockets; power distributors [electrical]; battery packs; electronic control units; apparatus for uninterrupted energy supply; batteries for storage of electric energy; systems based on modules for storage of electric energy
11
Light sources (not for photographic or medical use); cooling elements for inductors
37
Installation, assembly, maintenance, surveillance, adjustment and repair of electrical apparatus and instruments, machines and installations, electrotechnical and electrical apparatus and equipments; Installation, assembly, maintenance, surveillance, adjustment and repair of apparatus and instruments for conveying, conducting distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and controlling electricity; Installation, assembly, maintenance, surveillance, adjustment and repair of transformers, power supply units and electrical filters
39
Storage of energy
42
Consultancy in the field of energy-saving; providing temporary use of web-based software; updating of computer programs