1) Class: 37
Description: installation of electrical wiring, electrical wiring services, electrical installation services, installation of electrical apparatus, providing information relating to the installation of electrical apparatus, installation of electrical wiring for buildings, installation of electrical appliances, installation of electrical apparatus or generators, installation, maintenance and repair of electrical devices, installation, maintenance and repair of electrical equipment, installation of electrical apparatus for buildings, repair of electrical equipment, repair of electrical equipment and electrotechnical installations, installation, maintenance and repair of electrical and electronic apparatus and equipment, installation, maintenance and repair of apparatus for supplying electricity, electrical equipment repair, installation of electric and electronic equipment in automobiles, installation of electrical machinery and electricity generators, electric appliance installation, installation and repair of electrical appliances, renovation, repair and maintenance of electrical wiring, installation, maintenance and repair of electronic, electrical and mechanical apparatus, installation, maintenance and repair of electrical and electronic apparatus for use in the field of automation, repair and maintenance of electrical apparatus, repair of electrical apparatus, installation, maintenance and repair of electrical lighting apparatus, maintenance and repair of electrical apparatus, repair of electrical appliances, installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, installation of electric light and power systems, repair and maintenance of electrical appliances, electric apparatus installation, services of electricians, construction work relating to the installation and maintenance of electrical systems, installation, maintenance and repair of apparatus for generating electricity, maintenance and repair of electrical appliances, maintenance of consumer electrical appliances, wiring services for telecommunications, telecommunication wiring
2) Class: 42
Description: electrical engineering, design of electrical systems, designing of electrical systems, electrical engineering services, design and planning of electrical systems, product development consultancy for inventors in the field of electrical engineering, electrical safety research, product development consultation for inventors in the field of electrical engineering, testing of apparatus in the field of electrical engineering, design and planning services relating to electrical systems, testing of apparatus in the field of electrical engineering for certification purposes, mechanical and electrical engineering services, electrical engineering in the field of mechatronic systems, technical design services relating to electricity plants, development of testing apparatus for electrical wires, research in the field of electrical engineering, scientific research in the field of electricity, research in the field of electrical safety