1 Scope
2 Normative references
3 Terms and definitions
4 Constructional requirements
  4.1 General
  4.2 Protective liquid
  4.3 Group I equipment
  4.4 Deterioration of the protective liquid
  4.5 Guarding of fasteners
  4.6 Protective level indication
  4.7 Limiting temperature
  4.8 Immersion depth
  4.9 Capillary or siphon action
  4.10 Devices for draining of liquid
  4.11 Sealed enclosures
  4.12 Non-sealed enclosures
  4.13 External connections
5 Verifications and tests
  5.1 Type tests
  5.2 Routine tests
6 Marking
7 Instructions
Annex A (informative) - Introduction of an alternative risk
        assessment method encompassing 'equipment protection
        levels' for Ex equipment
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Annex ZZ (informative) - Coverage of Essential Requirements
         of EC Directives