NBN EN 60079-7 : 2007

1 Scope
2 Normative references
3 Definitions
4 Constructional requirements for all electrical
  apparatus
  4.1 General
  4.2 Terminals for external connections
  4.3 Internal connections
  4.4 Clearances
  4.5 Creepage distances
  4.6 Solid electrical insulating materials
  4.7 Windings
  4.8 Temperature limitations
  4.9 Wiring internal to apparatus
  4.10 Degrees of protection provided by enclosures
  4.11 Fasteners
5 Supplementary requirements for specific electrical
  apparatus
  5.1 General
  5.2 Rotating electrical machines
  5.3 Luminaires designed for mains supply
  5.4 Portable lights with their own source of supply
       for group II applications
  5.5 Measuring instruments and instrument transformers
  5.6 Transformers other than instrument transformers
  5.7 Batteries
  5.8 General purpose connection and junction boxes
  5.9 Resistance heaters (other than trace heating)
  5.10 Other electrical apparatus
6 Type verifications and type tests
  6.1 Dielectric strength
  6.2 Rotating electrical machines
  6.3 Luminaires designed for mains supply
  6.4 Measuring instruments and instrument transformers
  6.5 Transformers other than instrument transformers
  6.6 Secondary batteries
  6.7 General purpose connection and junction boxes
  6.8 Resistance heating devices and resistance heating
       units
  6.9 Terminal insulating material tests
7 Routine verifications and routine tests
8 Marking and instructions
  8.1 General marking
  8.2 Instructions for use
  8.3 Installation instructions
Annex A (normative) Cage motors - Methods of test and
         of calculation
Annex B (normative) Type tests for specific forms of
         resistance heating devices or resistance heating
         units
Annex C (informative) Cage motors - Thermal protection in
         service
Annex D (informative) Resistance heating devices and units
         - Additional electrical protection
Annex E (informative) Combinations of terminals and
         conductors for general purpose connection and
         junction boxes
Annex F (informative) Dimensions of copper conductors
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography

Covers the requirements for the design, construction, testing and marking of electrical apparatus with type of protection increased safety "e" intended for use in explosive gas atmospheres.