1 Scope and object
2 Normative references
3 Terms and definitions
4 Identification
5 Environmental conditions
6 Information on transport, storage and installation
7 Classification of tests
7.1 Design tests
7.2 Type tests
7.3 Sample tests
7.4 Routine tests
8 General requirements for insulator test specimens
9 Design tests
9.1 General
9.2 Tests on interfaces and connections of end fittings
9.3 Tests on shed and housing material
9.4 Tests on the core material
Annex A (normative) Wheel test
Annex B (normative) Test at multiple stresses
Annex C (informative) Difference between the tracking and
erosion and accelerated ageing tests
on polymeric insulators
Annex D (informative) Recommended application of tests
Annex E (informative) Explanation of the concept of classes
for the design tests
Bibliography