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NOC 2021 Version 1.0


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72204 – Telecommunications line and cable installers and repairers

Telecommunications line and cable installers and repairers install, repair and maintain telecommunication lines and cables, cable television transmission and distribution systems and associated hardware. They are employed by cable television, telephone and other telecommunications service companies. Apprentices are also included in this unit group.


Example titles

  • Apprentice lineman/woman - telecommunications
  • Cable television installation technician
  • Cable television maintenance technician
  • Communication technician - construction
  • Construction technician - cable television
  • Splicer technician - telephone
  • Telecommunication cable repairer
  • Telecommunications line installer
  • Telecommunications lineman/woman
  • Telephone line technician

Main duties

This group performs some or all of the following duties:
  • Install, remove, maintain and repair aerial and underground telephone, coaxial and fibre optic cable television, and other telecommunication transmission and distribution lines, cables and associated hardware
  • Splice and repair various types and sizes of telephone and other telecommunication cables including single line, coaxial and fibre optic
  • Repair or replace faulty cables, power supplies, amplifiers and other associated transmission and distribution equipment
  • Inspect, monitor, test and adjust telecommunication transmission lines and cables and distribution systems
  • 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.

Employment requirements

  • Completion of secondary school is required.
  • For telecommunication line and cable installers and repairers, 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.
  • For cable television maintenance technicians, completion of a college program in electronics or a combination of college, correspondence or industry courses related to electronics and electrical systems and on-the-job training or completion of a four-year cable television technician apprenticeship program is required.
  • Trade certification for network cabling specialists is available, but voluntary, in Ontario.

Additional information

  • Progression to supervisory positions is possible with experience.


  • Electrical power line and cable workers (72203)
  • Telecommunications equipment installation and cable television service technicians (72205)
  • Contractors and supervisors, electrical trades and telecommunications occupations (72011)

Breakdown summary

Broad occupational category
7 – Trades, transport and equipment operators and related occupations
2 – Occupations usually require a college diploma or apprenticeship training of two or more years; or supervisory occupations
Major group
72 – Technical trades and transportation officers and controllers
Sub-major group
722 – Technical electrical trades
Minor group
7220 – Technical electrical trades and electrical power line and telecommunications workers
NOC 2021 Version 1.0
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