services of electricians; electric appliance installation and repair; telecommunication wiring services; repair services of electric household appliances; installation, maintenance and repair of automation systems; installation, maintenance and repair of building automation equipment; installation, maintenance and repair of electrical and electronic apparatus and equipment; electrical wiring services; installation of electrical wiring for buildings; installation and maintenance of irrigation systems; electrical installation services; construction work relating to the installation and maintenance of electrical systems; installation, maintenance and repair of electrical equipment