Foreword
Introduction
1. Scope and Normative references
2. Definitions
3. General requirements
4. General notes on tests
5. Rating
6. Classification
7. Information
8. Protection against electric shock
9. Provision for protective earthling
10. Terminal and terminations
11. Constructional requirements
12. Moisture and dust resistance
13. Electric strength and insulation resistance
14. Heating
15. Manufacturing deviation and drift
16. Environmental stress
17. Endurance
18. Mechanical strength
19. Threaded parts and connections
20. Creepage distances, clearances and distances through
solid insulation
21. Resistance to heat, fire and tracking
22. Resistance to corrosion
23. Electromagnetic compatibility (EMC) requirements-Emission
24. Components
25. Normal operation
26. Electromagnetic compatibility (EMC) requirements
immunity
27. Abnormal operation
28. Guidance on the use of electronic disconnection
Annexes
Annex C (normative) - Cotton used for mercury switch test
Annex E (normative) - Circuit for measuring leakage current