NBN EN 60664-5 : 2008

INTRODUCTION
1 General
  1.1 Scope
  1.2 Normative references
  1.3 Definitions
2 Fundamentals of clearance and creepage distance dimensioning
  2.1 Introduction
  2.2 Voltages and voltage ratings
  2.3 Frequency
  2.4 Time under voltage stress
  2.5 Pollution
  2.6 Information supplied with the equipment
  2.7 Insulating material
3 Requirements and dimensioning procedures
  3.1 Dimensioning of clearances
  3.2 Dimensioning of creepage distances
  3.3 Requirements for design of solid insulation
4 Tests and measurements
  4.1 Tests
  4.2 Measurement of creepage distances and clearances
Annex A (informative) Basic data on withstand characteristics
        of clearances
Annex B (informative) Nominal voltages of supply systems for
        different modes of overvoltage control
Annex C (informative) Partial discharge test methods
Annex D (informative) Additional information on partial discharge
        test methods
Annex E (informative) Comparison of creepage distances specified
        in Table 4 and clearances in Table A.1
Annex F (informative) Dimensioning to maintain minimum insulation
        resistance
Annex G (normative) Water adsorption test
Annex H (informative) Dimensioning diagrams
Annex I (informative) Withstand voltage test for creepage distance
        under humid conditions
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography

Describes the dimensioning of clearances and creepage distances for spacings equal to or less than 2 mm for printed wiring board and equivalent constructions, where the clearance and the creepage distance are identical and are along the surface of solid insulation.