FOREWORD
Clause
1 Scope
2 Normative references
3 Definitions
4 General
   4.1 Potential ignition sources
   4.2 Apparatus grouping
   4.3 Temperatures
   4.4 Electrical apparatus
   4.5 Ex components
   4.6 Other requirements
5 Construction
   5.1 Degree of protection
   5.2 Mechanical strength
   5.3 Guards for light transmitting parts
   5.4 Circulating currents
   5.5 Non-metallic enclosures, non-metallic parts of
        enclosures
6 Connection facilities and wiring
   6.1 General
   6.2 Connection for external conductors
7 Clearances, creepage distances and separations
8 Electric strength
   8.1 Insulation from earth or frame
   8.2 Insulation between conductive parts
9 Supplementary requirements for non-sparking rotating
   machines
   9.1 General
   9.2 Degree of protection
   9.3 Connection facilities for external conductors
   9.4 Neutral point connections
   9.5 Radial air gap
   9.6 Ventilation systems
   9.7 Bearing seals and shaft seals
   9.8 Rotor cages
   9.9 Surface temperature limitation
10 Supplementary requirements for non-sparking fuses
   and fuse assemblies
11 Supplementary requirements for non-sparking luminaires
   11.1 General
   11.2 Construction
   11.3 Other apparatus containing light sources
12 Supplementary requirements for non-sparking instruments
   and low power apparatus
13 Supplementary requirements for non-sparking current
   transformers
14 Supplementary requirements for non-sparking plugs and
   sockets
15 Supplementary requirements for non-sparking cells and
   batteries
   15.1 Categorization of cells and batteries
   15.2 General requirements for cells and batteries of
        types 1 and 2
   15.3 Charging of type 1 cells and batteries
   15.4 Charging of type 2 cells and batteries
   15.5 Requirements for type 3 secondary batteries
16 Other electrical apparatus
17 General supplementary requirements for apparatus
   producing arcs, sparks or hot surfaces
18 Supplementary requirements for enclosed-break devices
   and non-incendive components producing arcs, sparks or
   hot surfaces
   18.1 Type testing
   18.2 Ratings
   18.3 Construction of enclosed-break devices
19 Supplementary requirements for hermetically sealed
   devices producing arcs, sparks or hot surfaces
20 Supplementary requirements for sealed devices or
   encapsulated devices producing arcs, sparks or hot
   surfaces
   20.1 Sealed devices or encapsulated devices other than
        for luminaires
   20.2 Encapsulated devices for luminaires
   20.3 Sealed devices for luminaires
21 Supplementary requirements for energy-limited apparatus
   and circuits producing arcs, sparks or hot surfaces
   21.1 General
   21.2 Associated energy-limited apparatus
   21.3 Energy-limited apparatus
   21.4 Self protected energy-limited apparatus
   21.5 Separation of conducting parts
   21.6 Plugs and sockets
   21.7 Protection against polarity reversal
   21.8 Requirements for components on which energy
        limitation depends
22 Supplementary requirements for restricted-breathing
   enclosures protecting apparatus producing arcs, sparks
   or hot surfaces
23 Supplementary requirements for n-pressurization
   protecting apparatus producing arcs, sparks or hot
   surfaces
   23.1 Forms of n-pressurization
   23.2 Requirements for n-pressurization enclosures
   23.3 Temperature limits
   23.4 Safety provisions and safety devices (except for
        static pressurization)
   23.5 Safety provisions and safety devices for static
        pressurization
   23.6 Supply of protective gas
24 General information on verification and tests
25 Specification documentation
26 Type tests
   26.1 General
28 Marking
29 Documentation
30 Manufacturer's responsibility
Bibliography
Figures and Tables