How to become a Cable Jointer

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.

Personal requirements of a Cable Jointer

  • 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.

Education & Training for a Cable Jointer

To become a cable jointer you usually have to complete an apprenticeship or traineeship. Entry requirements may vary, but employers generally require Year 10.

Additional Information

Cable jointers employed by a network operator must fulfill employer qualification requirements and do not require an individual electrical licence.

Duties & Tasks of a Cable Jointer

Cable jointers:

  • pull electrical cables through underground pipes or conduits and join cables in transmission and distribution systems
  • prepare lowand 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 substations 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.

Working conditions for a Cable Jointer

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.

Employment Opportunities for a Cable Jointer

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.

Avg. weekly wage:


Future growth:


Employment by state:

ACT ACT 0.3%

NSW NSW 36.5%

NT NT 1.8%

QLD QLD 6.8%

SA SA 4.1%

TAS TAS 3.8%

VIC VIC 35.6%

WA WA 11%

Hours worked:



Lower unemployment

Gender split:

Male 100%

Female 0%

Education level:

Highest qualification is a Certificate 3 or 4: 64.1%

Highest qualification is a Diploma or Advanced Diploma: 35.9%

Age brackets:

15-19 - 0%

20-24 - 16.2%

25-34 - 33%

35-44 - 16.5%

45-54 - 15.2%

55-59 - 8.5%

60-64 - 9.4%

65 and Over - 1.3%

*The data above is sourced from the Department of Employment’s Job Outlook website.

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