Electrical substation insulator washing

This course provides participants with knowledge and skills:

  • in insulator washing principles and procedures
  • inwashing insulators on energised equipment in electrical substations.

Course Duration

2 days

Who Should Attend

This course is suitable for people who are required to be authorised to conduct electrical substation insulator washing on the Western Power network.


The prerequisites for attendance at this course are:

  • Western Australian Electrical Licence or Cert III Distribution Lineworker
  • First Aid certificate (CPR)
  • Substation Entry Level 2
  • Network Authority Card (NAC)

Note: All prerequisites need to be current.

Learning Outcomes

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

  • Identify and apply worksite safety requirements
  • Identify and prepare equipment for insulator washing
  • Inspect and maintain tools and equipment use for insulator washing
  • Test the quality of water used for insulator washing
  • Test insulator for defects
  • Wash insulators in electrical substations

PPE/PPC & Equipment Requirements

Level 1 PPE

Note: To undertake this course the client must provide the necessary plant and equipment on the second day, ie:

  • trigger mechanism fitted with high voltage earth lead and clamp
  • minimum of 450 litre water tank filled with demineralised water at a maximum of 2 ms per/ml
  • high pressure washing unit
  • insulated high pressure hose
  • insulated washing wand
  • silicone wipes
  • an ms water meter
  • a wind meter

Note: All equipment must be in-test.

Some of the practical training for this course will take place in an operational area. You are required to have/provide Western Power approved PPC and PPE requirements for the practical work. Refer to the Western Power PPE Procedure Sections 3.1 & 3.2, for these requirements.

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


Written and practical assessments are included in the course.
Participants will need to demonstrate the required knowledge and the necessary practical skills in line with the learning outcomes.
Participants will not be considered to have completed this course until all assessments have been completed to a satisfactory level.


Certificate of Attendance

Associated Authorisations

On successful completion of the course
XESIW – Wash electrical substation insulators

For information on how to apply for an Authorisation, contact the Authorisations Team

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