Electrical Installations in Hazardous Areas


This Installation and Maintenance of Electrical Equipment in Hazardous Areas course offers participants the opportunity to attain nationally recognised competencies that meet the requirements of AS/NZS 4761 Competencies for working with electrical equipment for hazardous areas (EEHA).




 This course provides a licensed electrical worker with the specialised skills and knowledge required to perform installation, maintenance, testing and inspection of electrical equipment in explosive atmospheres.

  1. Equipment installation requirements
  2. Legal requirements and Australian Standards
  3. Principles of hazardous areas classification
  4. Procedures for breakdowns and maintenance
  5. Testing procedures
  6. Visual inspection
  7. Detailed inspection
  8. Record keeping
  9. Access and permit procedures for use in hazardous areas
  10. Explosion-protection techniques, including:
  • Dust protection by enclosure (Ex tD)
  • Flameproof (Ex d)
  • Increased Safety (Ex e)
  • Intrinsic Safety (Ex i)
  • Pressurisation (Ex p)
  • Ventilation (Ex v)
  • Encapsulation (Ex m)
  • Non-Sparking (Ex n)
  • Oil Immersion (Ex o)
  • Powder Filling (Ex q)
  • Special Protection (Ex s)
  • Mixed Techniques

Practical activities are conducted on training boards that have been developed in conjunction with NHP Electrical Engineering Products, a leading supplier of electrical equipment for explosive atmospheres.

Competency Training is an IECEx Recognised Training Provider, and successful completion of this course delivers the pre-learning required for the following IECEx units:

  1. Ex 000 Basic knowledge and awareness to enter a site that includes a classified hazardous area
  2. Ex 001 Apply basic principles of protection in explosive atmospheres
  3. Ex 003 Install explosion-protected equipment and wiring systems
  4. Ex 004 Maintain equipment in explosive atmospheres
  5. Ex 006 Test electrical installations in or associated with explosive atmospheres
  6. Ex 007 Perform visual and close inspection of electrical installations in or associated with explosive atmospheres
  7. Ex 008 Perform detailed inspection of electrical installations in or associated with explosive atmospheres


A Certificate of Completion will be issued to those who attend & successfully complete the programme.


  08:30 – 10:15 First Session

 10:15 – 10:30 Coffee Break

10:30 – 12:15 Second Session

 12:15 – 12:30 Coffee Break

12:30 – 14:00 Third Session

 14:00 – 15:00 Lunch

Training Methodology:

This interactive training course includes the following training methodologies as a percentage of the total tuition hours:

  • 30% Lectures, Concepts, Role Play
  • 20% Workshops & Work Presentations, Techniques
  • 20% Based on Case Studies & Practical Exercises
  • 10% Videos, Software & General Discussions
  • 20% Application
  • Pre and Post Test


 The Fee for the seminar, including instruction materials, documentation, lunch, coffee/tea breaks & snack is: