Introduction
1 Scope
2 Normative references
3 Definitions
4 Contact line network
4.1 Equipment not protected by a metal-oxide
arrester
4.2 Equipment protected by a metal-oxide arrester
5 Train line network
5.1 Equipment not protected by a metal-oxide
arrester
5.2 Equipment protected by a metal-oxide arrester
6 Tests
Annex A (informative) Maximum value of voltage U
according to duration