Restricted secondary system isolations

This one day training course provides participants with the knowledge and skills for persons required to perform secondary system isolations at a restricted level.

Who should attend

This course is suitable for people who are required to gain ZSSIR authorisation to perform secondary system isolations at a restricted level.


  • Network Authority Card (NAC)
  • Western Australian Electrician’s Licence
  • Protection system basics for electricians course
  • Recipient in Charge for Work Permits (NA3T/D) course and/or
  • Tester in Charge (NA4T/D) course

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 schematic diagrams
  • 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 and PPE 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 on-the-job practical assessment) have been completed to a satisfactory level.

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

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