1) Class: 7
Description: AC generators, AC generators [alternators], DC generators, alternating current generators, current generators, diesel electric generators, diesel electricity generators, electric generators using residual heat, electric power generators, electric power generators for emergency use, electric power generators using geothermal power, electric power generators using waste heat, electrical generator groups, electrical generator stations, electrical generators using solar cells, electricity generators, electricity generators using residual heat, emergency power generators, gas converters, generators of electricity, generators of electricity using residual heat, geothermal electric generators, high-voltage generators, mobile electric power generators, mobile generators of electricity, portable electric power generators, power-generating motors, solar-powered electricity generators, wind-powered electricity generators
2) Class: 9
Description: AC/DC converters, AC/DC inverters, AC/DC power supplies, DC/AC converters, batteries, electric batteries, electric current collectors, electric mains power units, electric power converters, electric power distribution units, electric power supplies other than generators, electric power supply units, electric power units, electrical batteries, electrical power distributors, electrical power supplies, electrical power supply apparatus other than generators, electronic power supplies, high-voltage power supplies, low voltage power supply, low-voltage power supplies, power controllers, power distribution systems, power distributors [electrical], power supply devices, power units [batteries], reserve electrical power supply apparatus other than generators, uninterruptible electrical power supplies, uninterruptible power supply apparatus [battery]
3) Class: 37
Description: electric apparatus installation, emergency servicing of apparatus for supplying electricity, installation and maintenance of electronic apparatus, installation and maintenance services, installation of apparatus and devices for power generation, installation of apparatus for generating power, installation of electric generators, installation of electric light and power systems, installation of electrical apparatus, installation of electrical apparatus or generators, installation of electrical machinery and electricity generators, installation of electricity generators, installation of generators of electricity, installation of machinery for generating electricity, installation of power generating apparatus, installation of power generators, installation, cleaning, repair and maintenance services, installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, installation, maintenance and repair of apparatus for distributing electricity, installation, maintenance and repair of apparatus for generating power, installation, maintenance and repair of apparatus for supplying electricity, installation, maintenance and repair of electrical and electronic apparatus and equipment, installation, maintenance and repair of electrical and electronic apparatus for use in the field of automation, installation, maintenance and repair of electrical equipment, installation, maintenance and repair of electrical lighting apparatus, installation, maintenance and repair of electronic control apparatus, installation, maintenance and repair of electronic regulating apparatus, installation, maintenance and repair of electronic, electrical and mechanical apparatus, installation, maintenance and repair of inverters, batteries and electrical connection apparatus for solar energy systems, installation, maintenance and repair of machinery, installation, maintenance and repair of solar collectors, installation, maintenance and repair of solar energy systems, installation, maintenance and repair of solar installations for generating power, maintenance and repair of electricity generators, repair and maintenance of electrical apparatus, repair and maintenance of electricity generators, repair of apparatus and installations for power generation, repair of electronic apparatus, repair or maintenance of power generators, servicing of apparatus and installations for generating power
4) Class: 40
Description: electricity generating, electricity generation, energy generation, energy production, generating of electricity, generation of electrical power, generation of electricity, generation of electricity using solar energy, generation of energy, generation of power, leasing of electrical transformers, leasing of energy generating equipment, processing and transforming of energy, production of electrical power, production of electricity, production of renewable green energy, rental of electric power generators, rental of electrical generators, rental of electrical power generators, rental of electrical transformers, rental of electricity generators, rental of energy generating equipment, rental of generators of electrical power, rental of power-generating equipment
5) Class: 42
Description: analysis and testing services relating to electrical engineering apparatus, consultancy in the field of energy efficiency, consultancy in the field of energy-saving, consultancy relating to technological services in the field of power and energy supply, design and planning of electrical systems, electrical engineering, electrical safety research, energy consultancy in the field of increase savings by improving energy efficiency, engineering, engineering services, engineering services in the field of energy technology, mechanical and electrical engineering services, professional consultancy in the field of energy saving, research and development in the field of energy, research in the field of electrical engineering, technical consultancy in the field of energy saving, technical consultancy in the field of energy saving and energy efficiency, technological analysis relating to energy and power needs of others, technological analysis services, technological analysis services relating to energy and power needs of others, technological consultancy in the fields of energy production and use, technological engineering analysis, testing of apparatus in the field of electrical engineering, testing of heat insulating materials, thermal conductivity testing