Introduction
1 Scope
2 Normative references
3 Definitions
4 Covered conductors
4.1 Code designation
4.2 Construction requirements
4.2.1 Conductor
4.2.2 Filling
4.2.3 Covering
5 Marking
5.1 Indication of origin
5.2 Continuity of marks
5.3 Other markings
5.4 Durability
5.5 Legibility
6 Tests
Annex A (normative) Special conductors
Annex B (normative) Measurement of the leakage current
Annex C (normative) Tracking resistance
Annex D (normative) Slippage test