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This group performs some or all of the following duties:

• Install, remove, maintain and repair aerial and underground telephone and other telecommunication transmission and distribution lines, cables and associated hardware
• Install (but do not repair or maintain) cable television lines and cables
• Splice and repair various types and sizes of telephone and other telecommunication cables including single line, coaxial and fibre optic
• Inspect and test telecommunication transmission lines and cables for transmission characteristics and to locate faults
• Analyze and record test results
• Climb and work aloft on poles, ladders or other support structures or work in confined spaces such as trenches, tunnels and crawl spaces
• Communicate with other workers to co-ordinate the preparation and completion of work assignments
• Assist in the erection and removal of telecommunication poles, towers and associated support structures
• May operate excavation machinery and other heavy equipment.

• Completion of secondary school is required.
• Completion of a four-year telecommunications line and cable apprenticeship program or a combination of over three years work experience in the trade and some industry- related or other specialized courses or completion of a two-year college program in electronics is usually required.
• Trade certification for network cabling specialists is available, but voluntary, in Ontario.

• Progression to supervisory positions is possible with experience.

• Cable television service and maintenance technicians (7247)
• Electrical power line and cable workers (7244)
• Supervisors of telecommunications line and cable workers (in 7202 Contractors and supervisors, electrical trades and telecommunications occupations)
• Telecommunications installation and repair workers (7246)