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Cable Jointer

Apprenticeship Traineeship Year 10 Preferred

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 cables used to transmit and distribute electricity in city and country areas, new housing estates and industrial centres.

Cable jointers mainly work outdoors, sometimes in cramped and confined conditions or at heights. They often work in sub-stations, which reduce high-voltage electricity to lower levels for consumer use.

They need to maintain good relations with property owners, tenants and authorities.

Cable jointers often work as part of a team.


    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
  • work with other staff to install or replace cables


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

Interest Area

Manual/Practical Technical/Engineering Outdoor


Apprenticeship Traineeship Year 10 Preferred

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 Year 10.

Additional Information

    Cable jointers employed by a network operator must fulfil employer qualification requirements. In NSW, accreditation may be necessary for some work. See the NSW Resources and Energy website for more details. In the ACT, an electrician's licence may be required. See the ACT Planning website for more details.


Most cable jointers work on underground electricity distribution and service cables for electricity corporations or private subcontractors. Work is carried out in cities, suburbs, large industrial centres and country towns. Cable jointers may be responsible for work in a particular area or district. Occasionally, cable jointers working for electricity authorities are required to work away from home for periods of time.

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More Information - External Links

Job Outlook for Cable Jointer E-Oz Energy Skills Australia Ausgrid Endeavour Energy NSW Resources and Energy ACT Planning

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