1 General and definitions
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 Basis for insulating coordination
2.1 Basic principles
2.2 Voltages and voltage ratings
2.3 Frequency
2.4 Duration of voltage application
2.5 Pollution
2.6 Information supplied with the relay
2.7 Insulating materials
3 Requirements and dimensioning rules
3.1 Dimensioning of clearances
3.2 Dimensioning of creepage distances
3.3 Requirements for dimensioning of solid insulating
materials
3.4 Distances for end of coils
4 Tests and measurements
4.1 Tests
4.2 Measurement of creepage distances and clearances
Annex A (informative) Examples for dimensioning of creepage
distances
Annex ZA Normative references to international publications with
their corresponding European publications