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