services of electricians; repair or maintenance of electric lighting apparatus; maintenance of electric hotplates; electric apparatus installation; repair of electrical equipment; repair or maintenance of electric cooking apparatus and installations; electrical wiring services; repair of electrical equipment and electrotechnical installations; electrical equipment repair; providing information relating to the installation of electrical apparatus; providing information relating to the repair or maintenance of electric cooking apparatus and installations; electric appliance installation; electrical installation services; installation of electrical appliances; installation of electrical wiring; installation of electrical wiring for buildings; installation, maintenance and repair of electrical equipment; installation of electric light and power systems; installation of electrical apparatus or generators; installation, maintenance and repair of electrical devices; installation of electrical apparatus for buildings; installation of electrical machinery and electricity generators; installation and repair of electrical appliances; installation, maintenance and repair of electrical and electronic apparatus and equipment; installation of electric and electronic equipment in automobiles; telephone installation; installation, maintenance and repair of apparatus for supplying electricity; installation of telephone equipment; installation, maintenance and repair of electronic, electrical and mechanical apparatus; installation of lighting systems; lighting system installation; construction work relating to the installation and maintenance of electrical systems; installation, maintenance and repair of electrical lighting apparatus; electric appliance installation and repair; installation of telephones; installation of cooking appliances; installation of machinery for generating electricity; installation of HVAC systems; installation of wireless telephony equipment; installation of apparatus and devices for power generation; renovation, repair and maintenance of electrical wiring; installation of fixtures and fittings for domestic premises; telephone line installation; installation services of telephones; installation, maintenance and repair of gas and electricity systems; heating equipment installation; installation of power generating apparatus; installation, maintenance and repair of apparatus for generating electricity; installation of communication equipment; installation, maintenance and repair of electrical and electronic apparatus for use in the field of automation; installation of utilities in construction sites; installation of electricity generators; installation of air conditioners; maintenance of apparatus and installations for generating power; installation of telephone cables; installation of electric generators; installation of fixtures and fittings for buildings; installation of heating equipment; servicing of apparatus and installations for generating power; installation of heating, ventilation and air-conditioning systems; repair and maintenance of electrical appliances; installation of visual signs, electrical signs, non-electrical signs, electronic signs and digital signs; telecommunication wiring; maintenance and repair of electrical appliances; installation services; repair of electrical appliances; installation, maintenance and repair of electrical and electronic measuring and testing apparatus and instruments; installation, maintenance, servicing and repair of energy and power generating apparatus, equipment and installations​; installation of generators of electricity; installation of apparatus for generating power; installation, maintenance and repair of apparatus for generating power; maintenance, servicing and repair of apparatus and installations for generating power; installation of telecommunications networks; installation of heating, lighting and cooking apparatus; installation of building automation equipment; installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; maintenance and repair of electrical apparatus; installation of air-conditioning systems; heating apparatus installation; installation services of telephone lines; installation of heating systems; installing of telecommunications networks; servicing of power generating apparatus and installations; repair of apparatus and installations for power generation; repair and maintenance of electrical apparatus; installation of audiovisual equipment; installing of electronic communications networks; maintenance of power generating apparatus and installations; installation of computer network hardware and telecommunication networks; telecommunication wiring services; maintenance of consumer electrical appliances; installation of telephone lines; installation of electronic communications networks; wiring services for telecommunications; installation of air conditioning apparatus; installation of telecommunications apparatus; installation services of radio telephone equipment; installation of radio telephone equipment; installation of lightning conductors; installation of kitchen appliances; air conditioning apparatus installation; maintenance and repair of gas and electricity installations; installation services relating to the modernization of machines, machine tools and automatic systems for treating and processing metals; installation of heating apparatus; installation, maintenance and repair of apparatus for distributing electricity; installation of machinery; repair and maintenance of gas and electricity installations; power infrastructure construction; installation, repair and maintenance of power plant equipment; installation of power generators; repair of apparatus and installations for generating power; installation of lighting apparatus; installation of energy-saving apparatus; installation and repair of heating, ventilating and air-conditioning systems; air-conditioning apparatus installation; installation of heating and cooling apparatus; installation of heating, ventilation and air-conditioning [HVAC] systems; residential, commercial and industrial installation and repair of computer wiring cabling; installation of air-conditioning apparatus; repair or maintenance of consumer electrical appliances

installation of electric light and power systems; electric appliance installation and repair; electric apparatus installation; repair or maintenance of electric lighting apparatus; electrical installation services; electrical wiring services; services of electricians; repair of electrical equipment; construction work relating to the installation and maintenance of electrical systems; installation of electrical wiring for buildings; installation of electrical wiring; telecommunication wiring services; renovation, repair and maintenance of electrical wiring; installation, maintenance and repair of electrical devices; advisory services relating to the maintenance and repair of mechanical and electrical equipment; advisory services relating to the installation, maintenance and repair of mechanical and electrical equipment; installation and repair of electrical appliances; residential, commercial and industrial installation and repair of computer wiring cabling; construction services relating to the installation of heating, ventilating and air-conditioning systems; installation of electrical appliances; air conditioning installation renovation; installation of air-conditioning systems; installation of air conditioners; installation and repair of air-conditioning systems; installation of heating, ventilation and air-conditioning systems; installation of control systems for air conditioning; installation and repair of heating, ventilating and air-conditioning systems; installation, maintenance and repair of air-conditioning systems; air-conditioning system installation and repair; installation, maintenance and repair of air-conditioning apparatus; installation, maintenance and repair of heating, ventilation and air-conditioning [HVAC] systems; installation of heating and cooling apparatus; installation of HVAC systems

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; telecommunication wiring; 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; installation of machinery for generating electricity; electric appliance installation and repair; telecommunication wiring services