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Electrical Equipment for Hazardous Areas Installation, Maintenance & Inspection
1. Hazardous Areas
Hazardous Areas
2. Standards and Legislation - General
Standards and Legislation
Responsibility for Classification
Electrical Legislation - State by State
3. Fires and explosions (Gas & Dust)
Fires and explosions (Gas & Dust)
4. Flammable Materials
Flammable Materials
Properties of Flammable Materials (Gases and Liquids)
Groups (Group II)
5. Causes of Ignition
Causes of Ignition
Ignition Sources
Conditions of Control
6. Properties of Combustible Dust
Properties of Combustible Dust
Groups (Group III)
7. Hazardous Area Classification
Hazardous Area Classification to AS/NZS 60079.10.1:2009
The Generalised Method
Documenting the Classification
8. Area Classification to AS/NZS 60079.10.2 (Group III)
Area Classification to AS/NZS 60079.10.2 (Group III)
Documenting the Classification
9. Equipment Protection Levels
Equipment Protection Levels
10. Electrical Equipment Certification and Labelling
Electrical Equipment Certification and Labelling
Acceptable Certification
Alternative Certification
Certificate Numbers and Certificates
Labelling
A Note on ATEX Equipment
11. IP Ratings
IP Ratings
12. Ex d Flameproof Equipment
Ex d Flameproof Equipment
13. Installation of Increased Safety Equipment (Ex e)
Ex e Equipment Overview
Motor Terminology and Requirements
14. Installation of Non-Sparking Equipment (Ex n)
Installation of Non-Sparking Equipment (Ex n)
15. Installation of Intrinsically Safe Equipment (Ex i)
Ex i Equipment Introduction
More on Safety Barriers
Protective Fault Concerns
16. EX tD Dust Protected by Enclosure
Introduction
Temperature Considerations for Practice A
Installation Requirements
17. Installation of Pressurised Enclosures (Ex p)
Installation of Pressurised Enclosures (Ex p)
Protection Requirements
Differences Between Ex p and Ex v (Ventilation)
18. Installation of Mixed Techniques Equipment (Ex yy)
Mixed Techniques Introduction
19. Installation of Other Explosion-Protected Equipment
Ex m Encapsulation
20. Wiring Systems
Group II
Group III
21. Electrical Testing
Electrical Testing
22. Inspections of Hazardous Installations
Inspection Types and Grades
23. Maintenance of Equipment in Hazardous Areas
Maintenance Types
24. Appendix
Appendix A - AS/NZS Standards List
Appendix B - AS/NZS Classification and Drawing
Appendix C - Sample Permit
Appendix D - Distribution Board
Temperature Considerations for Practice A
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