IEC 60077:1968

CONTENTS
FOREWORD
PREFACE
Clause
INTRODUCTION
CHAPTER I: GENERAL
1. Scope
2. Limitations of the specification
3. Service conditions
CHAPTER II: DEFINITIONS
4. Equipment voltages
5. Rated air pressure
6. Equivalent continuous rating
7. Current-breaking apparatus
8. Categories of tests
CHAPTER III: CONDITIONS WHICH ELECTRICAL
EQUIPMENT HAS TO SATISFY
9. Limits of variation of supply voltage
10. Limits of variation of supply air pressure
11. Temperature-rise limits
12. Special rules applicable to protective apparatus
CHAPTER IV: TESTS
13. List of tests
SECTION ONE - MECHANICAL TESTS
14. Checking of mechanical operation
15. Tests for mechanical strength
16. Tests for withstanding vibration and shock
17. Air-tightness tests for pneumatic equipment
18. Leakage tests for hydraulic equipment
SECTION TWO - ELECTRICAL TESTS
19. Measurement of resistance and impedance
20. Temperature-rise tests
21. Breaking and making capacity tests
22. Determination of the time/current characteristic
    of high-voltage d.c. fuses
23. Check on the setting and operation of protective
    apparatus and relays
24. Dielectric tests

Applies to electrical equipment installed on motive power units, i.e. all the components in the various vehicle circuits with the exception of rotating machines, main transformers, reactors and static convertors.