1 Scope and object
   1.1 Scope
   1.2 Object
   1.3 Verification
   1.4 Environmental conditions
2 Normative references
3 Definitions
   3.1 Parts and accessories
   3.2 Electrical quantities
   3.3 Tests
   3.4 Safety terms
   3.5 Insulation
4 Tests
   4.1 General
   4.2 Sequence of tests
   4.3 Reference test conditions
   4.4 Testing in SINGLE FAULT CONDITION
5 Marking and documentation
   5.1 Marking
   5.2 Warning markings
   5.3 Durability of markings
   5.4 Documentation
6 Protection against electric shock
   6.1 General
   6.2 Determination of ACCESSIBLE parts
   6.3 Permissible limits for ACCESSIBLE parts
   6.4 Insulation requirements for protection against
        electric shock
   6.5 CLEARANCES and CREEPAGE DISTANCES
   6.6 Dielectric strength tests
   6.7 Constructional requirements for protection against
        electric shock
7 Protection against mechanical HAZARDS
8 Mechanical resistance to shock and impact
   8.1 Rigidity test
   8.2 Drop test
   8.3 Impact swing test
9 Temperature limits and protection against the spread of fire
   9.1 General
   9.2 Temperature tests
10 Resistance to heat
   10.1 Integrity of CLEARANCES and CREEPAGE DISTANCES
   10.2 Resistance to heat
11 Protection against hazards from fluids
   11.1 General
   11.2 Cleaning
   11.3 Specially protected PROBE ASSEMBLIES
12 Components
   12.1 General
   12.2 Fuses
   12.3 HIGH-INTEGRITY components
Annex A (normative) - Measuring circuits for ACCESSIBLE current
Annex B (normative) - Standard test fingers
Annex C (normative) - Measurement of CREEPAGE DISTANCES and
        CLEARANCES
Annex D (informative) - Index of defined terms