Transmission lines switching

This 9-day off-the-job training course provides participants with the knowledge and skills associated with Western Power Switching Operator authority level transmission lines (TL) as stipulated by Network Operations, followed by an on-the-job workbook.

On-site visits

Your trainer will advise when the following onsite visits occur during this course:

  • Network Operations at East Perth
  • Zone substation familiarisation and practical tasks
  • Terminal substation familiarisation and practical tasks

Who should attend People who are required to work as an authorised Western Power TL switching operator.

Enrolment requirements

Enrolment in this course is by application only. Click Apply now and follow the prompts. You will also need to complete and send PTSWA the application form (below) along with evidence that you meet all prerequisites. Once we have confirmed that you meet the prerequisites, we will contact you to finalise your enrolment details.


  • Network Authority Card (NAC)
  • XSUB2 Substation Entry authorisation
  • LNA3T RIC Transmission authorisation
  • eNAR authorisation
  • A Western Australian Electricians Licence – Certificate of Registration (issued by EnergySafety WA), or
  • A Certificate III in ESI Distribution Overhead

Note: All prerequisites need to be current.

Learning outcomes

As a result of attending this course participants should be able to:

  • demonstrate knowledge of the electrical configuration of Western Power zone and terminal substations
  • describe the function of transmission lines switchgear in terminal and zone substations
  • identify and describe the components of transmission lines protection schemes
  • demonstrate the safe switching of switchgear in substations
  • demonstrate the safe application and removal of programme earths
  • demonstrate the use of Western Power policy and procedural tools and documentation for transmission lines switching operations
  • plan, prepare and perform transmission lines switching operations within the Western Power TL switching authority
  • use onsite information to identify and locate faults

What to wear

PPE Level 3, including:

  • rated gloves appropriate to the voltage
  • face shield

See the Western Power PPE Procedure for more information about the requirements

Note: Power Training Services does not provide PPE, PPC and tools for training courses.


Assessments are included in this course. Participants will not be considered to have completed this course until all assessments including the on the job workbook have been completed to a satisfactory level.

This course has no current classes. Please the waiting list.

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Additional information