Introduction
1 Scope
2 Normative references
3 Definitions
  3.1 General
  3.2 Circuits
  3.3 Components
  3.4 Test categories
  3.5 Void
  3.6 Characteristic quantities
4 Classification
5 Characteristics of the utilization category
  5.1 Rated voltages
      5.1.1 General
      5.1.2 Rated operational voltage (U[e])
      5.1.3 Rated insulation voltages (U[Nm])
      5.1.4 Rated power frequency withstand
            voltage (U[50])
      5.1.5 Rated impulse voltage
  5.2 Rated voltages for equipment
      5.2.1 Supply from contact lines
      5.2.2 Supply from a transformer
      5.2.3 Supply from an independently driven
            generator/alternator or converter
      5.2.4 Supply from a float charged battery
      5.2.5 Supply from a battery
  5.3 Rated currents for equipment
      5.3.1 Rated operational current (I[e])
      5.3.2 Rated short-time withstand current (I[cw])
  5.4 Rated operational frequency
  5.5 Rated air pressure
6 Product information
  6.1 Nature of information
  6.2 Marking
  6.3 Instructions for storage, installation, operation
      and maintenance
7 Normal service conditions
  7.1 General
  7.2 Altitude
  7.3 Temperature
8 Constructional and performance requirements
  8.1 Constructional requirements
      8.1.1 Electrical risks
      8.1.2 Batteries
      8.1.3 Electromagnetic compatibility (EMC)
      8.1.4 Fire protection
      8.1.5 Other risks
  8.2 Performance requirements
      8.2.1 Operating conditions
      8.2.2 Temperature rise
      8.2.3 Operation following inactivity
      8.2.4 Electromagnetic fields (EMC)
      8.2.5 Acoustic noise emission
      8.2.6 Dielectric properties
      8.2.7 Switching overvoltages
      8.2.8 Operational performance
      8.2.9 Ability to withstand vibration and
            shock
9 Tests
  9.1 Kinds of tests
      9.1.1 General
      9.1.2 Type tests
      9.1.3 Routine test
      9.1.4 Sampling tests
      9.1.5 Investigatory type tests
      9.1.6 General test condition
  9.2 Verification of constructional requirements
      9.2.1 General
      9.2.2 Type tests
      9.2.3 Routine tests
  9.3 Verification of performance requirements
      9.3.1 Operating limits
      9.3.2 Temperature rise (Type test)
      9.3.3 Dielectric properties
      9.3.4 Operational performance capability
      9.3.5 Vibration and shock
      9.3.6 Electromagnetic compatibility
      9.3.7 Acoustic noise emission
      9.3.8 Climatic influence
Annex A (informative) Coordination between definitions
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications