7
Wind power installations for electricity generation
9
High-voltage, overvoltage and noise voltage fuses and protectors, high-voltage and overvoltage protection components and devices, high-voltage fuses for radio equipment, transmitters and receivers, overvoltage fuses for interfaces and terminals, multipolar overvoltage fuses; high-current, total current, combination and overvoltage arresters; overcurrent fuses; isolating spark gaps, hybrid spark gaps, high-performance isolating spark gaps, alternating current arresters, high-performance arresters, mulipolar combination arresters, 2-electrode arresters, 3-electrode arresters, gas arresters, gas-filled overvoltage arresters, gas-filled isolating spark gaps; high-frequency protectors; single, double or triple-stage protective circuits; explosion chambers; current and voltage transformers; high voltage fuse equipotential bonding; varistors being non-linear resistors, PTC resistors; cathodic anti-corrosion devices; overvoltage protection boards, built-in boards and housings; measuring and testing apparatus, arrester function and test equipment; multifunction terminals (electric); wire and cables, all being electric; earth modules; insulation flanges; earthing plates; photovoltaic installations and fuel cells for generating electricity
37
Installation, maintenance and repair of high-voltage and overvoltage fuse components; electrical installation services
42
Technical consultancy, technical planning; technical consultancy and technical planning in the field of electrobiology