Diagnosis of electrical faults; Disconnecting unused service lines (eg gas, mains water, electricity); Electric appliance installation; Electric appliance installation and repair; Electric appliance repair; Electrical apparatus installation; Electrical apparatus repair; Electrical engineering services (construction); Electrical installation services; Electrical wiring services; Installation of audio electrical apparatus; Installation of electrical apparatus; Installation of electricity generators; Interference suppression in electrical apparatus; Maintenance and repair of electrical apparatus; Maintenance, installation and repair of electrical items and equipment; Repair of electrical appliances; Residential, commercial and industrial installation and repair of electrical and computer wiring and cabling