Primary connections, disconnectors, circuit breaker tests and checks

This two-day course will provide the learner with the knowledge and skills to connect primary equipment via bolted jointing procedures, load-bearers and torque settings as well as perform basic routine tests and checks on disconnectors and circuit breakers using specified tools and instruments.

Who should attend

This course is suitable for people who are required to connect primary equipment, and perform tests and checks on disconnectors and circuit breakers.


  • There are no prerequisite competencies to this unit

Learning outcomes

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

  • understand the principles of torque and demonstrate the use of a torque wrench
  • understand the principles of electrolytic corrosion of methods of prevention
  • state the procedure for preparation of an aluminium flexible
  • demonstrate the correct procedure to produce aluminium to aluminium, copper to copper, aluminium to copper bolted current-carrying joints
  • state the procedures to:

ensure correct alignment of disconnectors and earth switches
check and adjust contact timing on manual and electrically operated disconnectors
check and adjust contact timing on earth switches
interlock disconnectors and earth switches

  • understand the principles of low resistance measurement, demonstrate the functions of a Ductor and analyse measurements taken
  • understand the environmental requirements of, and testing procedures for, insulating oil and sulphur hexafluoride

PPC/PPE and equipment requirements

Participants are required to wear PPE that meets standard workshop requirements.
Refer to section 3 of the Work Practice Manual for details.


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

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