EEHA – Installation & Maintenance

This course is for electrical personnel installing or maintaining explosion-protected electrical equipment.

Course Outline

This EEHA Course provides the knowledge and skills required to safely install, maintain, test, and inspect explosion-protected electrical equipment. Our instructors will cover all aspects of reporting, repairing, maintaining, and testing equipment in hazardous areas. This course provides the nationally recognised competencies that meet the requirements of AS/NZS 4761 Competencies for working with electrical equipment for hazardous areas (EEHA).

Course Content

  • 1
    Statutory Compliance
  • 2
    Australian/New Zealand Standards
  • 3
    IEC Standards
  • 4
    Principles of Hazardous Area Classification (Zones, Groups, Temperature Class)
  • 5
    Principles, procedures, and permits for entering a hazardous area
  • 6
    Explosion protection principles, methods, and techniques
  • 7
    Electrical installations design, selection, erection, and initial inspection of Ex equipment
  • 8
    Ex equipment maintenance and testing
  • 9
    Ex equipment inspections (Visual, Close and Detailed)
  • 10
    Hazardous Area Verification Dossiers and record-keeping

Techniques covered include:

  • Ex d – Flameproof
  • Ex e – Increased Safety
  • Ex i – Intrinsic Safety
  • Ex t/tD/DIP – Dust protection by enclosure
  • Ex p – Pressurisation
  • Ex n – Non-Sparking
  • Ex v – Ventilation
  • Ex o – Oil Immersion
  • Ex q – Powder Filling
  • Ex s – Special Proteciton
  • Ex os – Optical Radiation
  • Mixed Techniques


  • UEE30820 Certificate III in Electrotechnology,
  • UEE31211 Certificate III in Instrumentation and Control, or equivalent.

Mode of Delivery

This course consists of blended learning with initial theory and required knowledge delivered online at the learner’s pace followed by a 4-day face to face simulated workshop/classroom learning to complete practical elements and final assessment.

Who Should Attend?

Any electrical workers, technicians, and engineers who are required to carry out installation, maintenance, and inspections of Ex Certified electrical equipment installed in or associated with a classified hazardous area.

Refresher Training

Industry recommendation and in accordance with AS/NZS 60079.14 and AS/NZS 2290.1, it is recommended EEHA refresher training be completed at intervals not exceeding 2 – 3 years.

Nationally Recognised Training

Plumpton Training Services is a Registered Training Organisation (RTO). This status enables us to offer nationally recognised training and issue formal qualifications.