High voltage (HV) insulator coating

Skills and knowledge to carry out overhead line insulator coating principles and procedures, and the skills to coat insulators supporting energised high voltage conductors.

Course Duration

1 ½ days

Who Should Attend



The prerequisites for attendance at this course are:

  • Network Authority Card (NAC)
  • Certificate III in ESI – Distribution overhead qualification
  • TLILIC2005 Licence to operate a boom-type elevating work platform (boom length 11 metres or more)
  • Licence to perform high risk work – WP (elevating work platform)

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 coating
  • Inspect and maintain tools and equipment used for insulator coating
  • Apply coating to insulators supporting high voltage apparatus

PPE/PPC &Equipment Requirements

  • PPE Level 1
  • Coverall to protect clothing
  • Safety harness
  • Respirator (optional)

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

To undertake this course, you may be required to provide the following plant and equipment:

  • high voltage insulated EWP fitted with high voltage earth lead and spike
  • silicone pump and product
  • insulated silicone delivery hose
  • insulated spray wand and jets
  • silicone wipes or similar cleaning products
  • a wind meter

Note: All equipment must be in-test.


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

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