741 Electrical Equipment Installers and Repairers

Building and related electricians install, maintain and repair electrical wiring systems and related equipment and fixtures. Tasks include - (a) installing, maintaining and repairing electrical wiring systems and related equipment in various buildings such as schools, hospitals, commercial establishments, residential buildings and other structures; (b) examining blueprints, wiring diagrams and specifications to determine sequences and methods of operation; (c) planning layout and installation of electrical wiring, equipment and fixtures, based on job specifications and relevant standards; (d) inspecting electrical systems, equipment, and components to identify hazards, defects, and the need for adjustment or repair; (e) selecting, cutting and connecting wire and cable to terminals and connectors; (f) measuring and laying out installation reference points; (g) positioning and installing electrical switchboards; (h) testing continuity of circuits. Examples of the occupations classified here: - Building repairs electrician - Electrician Some related occupations classified elsewhere: - Electrical fitter - 7412 - Electrical mechanic - 7412 - Electrical line installer - 7413.

Electrical mechanics and fitters fit, adjust, install and repair electrical machinery and other electrical apparatus and equipment in buildings, factories, motor vehicles, workshops or other places. Tasks include - (a) fitting, adjusting and repairing various kinds of electrical machinery and motors, generators, switchgear and control apparatus, instruments, or electrical parts of elevators and related equipment; (b) fitting, adjusting and repairing electrical parts in domestic appliances, industrial machines and other appliances; (c) inspecting and testing manufactured electrical products; (d) installing, testing, connecting, commissioning, maintaining and modifying electrical equipment, wiring and control systems; (e) designing, installing, maintaining, servicing and repairing electricand hydraulic passenger and freight lifts, escalators, moving walkways and other lift equipment; (f) connecting electrical systems to the power supply; (g) replacing and repairing defective parts. Examples of the occupations classified here: - Armature builder - Automotive electrician - Electrical generator fitter - Electrical mechanic - Lift mechanic Some related occupations classified elsewhere: - Electronics mechanic - 7421 - Electrical equipment assembler - 8212.

Electrical line installers and repairers install, repair and join electrical transmission and supply cables and related equipment. Tasks include - (a) installing and repairing overhead and underground electrical power and electrical traction lines; (b) making joints in overhead and underground cables; (c) adhering to safety practices and procedures, such as checking equipment regularly and erecting barriers around work areas; (d) opening switches or attaching grounding devices to remove electrical hazards from disturbed or fallen lines or to facilitate repairs; (e) climbing poles or using truck-mounted buckets to access equipment; (f) identifying defective sectionalizing devices, circuit breakers, fuses, voltage regulators, transformers, switches, relays or wiring, using wiring diagrams and electrical-testing instruments. Examples of the occupations classified here: - Electric cable jointer - Electric power line worker Some related occupations classified elsewhere: - Data and telecommunications cabler - 7422 - Telecommunications line worker - 7422.