Unrestricted secondary system isolations

This one day training course provides participants with the knowledge and skills to access and isolate secondary equipment associated with both primary and secondary electrical systems.

Who should attend

This course is suitable for people who are required to carry out unrestricted secondary system isolations for routine type work and are seeking the recognised authorisation.


  • Network authority card (NAC)
  • Western Australian electricians licence (preferred)
  • Protection system basics for electricians course (preferred)
  • Restricted secondary system isolations course (preferred) plus
  • Recipient in charge for work permits (NA3T/D) and/or
  • Tester in charge (NA4T/D)

Note: All prerequisites need to be current.

Learning outcomes

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

  • Identify isolation points
  • Interpret wire markings
  • Interpret complex protection schemes
  • Access current differential type protection schemes
  • Access metering and protection secondary system voltage schemes
  • Manipulate in-service complicated protection schemes
  • Correctly use and complete key document (secondary isolation schedule)
  • Use barriers, lock-out tags(etc.) in accordance with processes
  • Use effective cross-checking techniques

PPC/PPE and equipment requirements

No personal protective equipment or clothing is required for the course. PTSWA training room standards apply:

  • Smart casual attire (no shorts)
  • Enclosed footwear


Assessments are included in this course. Participants will not be considered to have completed this course until all assessments (including an on-the-job practical assessment) have been completed to a satisfactory level.

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