Trades & Services

Cable Jointer

Cable jointers make and repair joins in power supply and control cables installed in underground pipes, trenches and overhead systems.

  • Entry-level education

    Apprenticeship or traineeship

  • Job outlook

    1 2 3 4 5

What does a Cable Jointer do?

Cable jointers make and repair joins in insulated power supply and control cables installed in underground pipes, trenches and overhead systems. They also prepare cable terminations for electrical equipment and overhead lines. Cable jointers also install and maintain underground electrical and communication cables in city and country areas, new housing estates and industrial centres.


Work activities

Cable jointers may perform the following tasks:

  • pull electrical cables through underground pipes or conduits and join cables in transmission and distribution systems
  • prepare low- and high-voltage cable joints and cable terminations while connecting and installing electrical equipment and overhead lines
  • test and locate cable faults, and maintain and repair cables
  • update location diagrams for the layout of cable systems
  • ensure that conductors are correctly connected between sub-stations and customers' premises when installing and making repairs
  • assist with manufacturing and preparing cable jointing components
  • dig trenches and service pits or tunnels
  • encase cables in protective covers.

Key skills and interests

To become a cable jointer, you would need:

  • to enjoy practical work
  • to be able to cope with the physical demands of the job
  • normal eyesight and colour vision
  • good hand-eye coordination
  • a safety-conscious attitude
  • to be able to work at heights.

Working hours and conditions

Working Hours

You would work a standard week which may include shifts. You may be part of a standby roster for emergencies outside normal working hours. Overtime may be necessary.


Cable jointers mainly work outdoors, sometimes in cramped and confined conditions or at heights. You would need to maintain good relations with property owners, tenants and authorities. Cable jointers often work as part of a team.

If you were repairing overhead power lines work, you would be working at heights, using safety access equipment.

You would be likely to need a drivers’ licence to travel from site to site.


How to become an Cable Jointer?

Entry Level Education

To become a cable jointer you usually have to complete an apprenticeship or traineeship in ESI - Power Systems - Distribution Cable Jointing, ESI - Network Systems or National Broadband Cabling Installation and Maintenance. Entry requirements may vary, but employers generally require junior secondary school certificate or equivalent.

Cable jointers employed by a power network operator must fulfil employer qualification requirements. Accreditation may be necessary for some work, or you may require an electrician's licence.


Job outlook

  • 1 2 3 4 5

The number of openings for cable jointers is determined by electrical and other cable projects and maintenance.

Current opportunities are likely to exist with utilities or telecommunications companies, and the expanding population.


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