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European foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 General requirements
5 Electrical service conditions
6 Reliability, maintainability and expected useful life
7 Design
8 Non-railway designed electronic equipment
9 Components
10 Construction
11 Safety
12 Documentation
13 Testing
Annex A (informative) - List of default requirements of
        the EN 50155 and related clauses
Annex B (informative) - Testing approach
Annex C (informative) - Severity of the service conditions
        in different rolling stock locations
Annex D (informative) - Example of test report compliance
        summary
Annex E (informative) - Life cycle model examples
Annex F (informative) - Design guidelines for electronic
        hardware used on board of rolling stock
Annex G (informative) - Non-railway designed electronic
        equipment
Bibliography

BS EN 50155.