Electrician services; electrical apparatus and appliance installation and repair; electrical installation services; electrical engineering services (construction); electrical installation and repair services; electrical wiring and computer wiring and cabling services; installation of audio electrical apparatus; interference suppression in electrical apparatus; maintenance and repair of electrical apparatus; maintenance, installation and repair of electrical apparatus, items and equipment; repair of electrical appliances; electrical services including installation of apparatus and fittings, electrical wiring and computer cabling and maintenance and repair of electrical apparatus and fittings, including lighting, exit and emergency lighting, telecommunications, power supply, security systems including alarm systems, installation of anti-theft systems, data cabling, music systems, signage, electrical switches and dimmers, hot water systems and electrical metering systems; electrical installations for heating, lighting, refrigerating and ventilating; residential, commercial and industrial installation and repair of electrical and computer wiring and cabling; installation of electricity generators; air conditioning installations; air conditioning installations for commercial use; air conditioning installations for industrial use; air conditioning installations for residential use; domestic air conditioning installations; installations for air conditioning; installation, maintenance and repair of air-conditioning, cooling and ventilation apparatus; provision of information, advisory and consultancy services in relation to the aforementioned services