BS 5501-1:1977

IEC Publications referred to in European Standard
EN 50014
ISO Standards referred to in European Standard EN 50014
European Standards referred to in European Standard
EN 50014
Section 1. General
1. Scope
2. Definitions
3. Grouping and classification of electrical apparatus
4. Temperature
Section II. Requirements for all electrical apparatus
5. General
6. Non-metallic enclosures and non-metallic parts of
    enclosures
7. Light alloy enclosures
8. Fasteners
9. Interlocking devices
10. Bushings
11. Materials used for cementing
12. Connections
13. Connection facilities for earthing or bonding
    conductors
14. Connection facilities and terminal compartments
15. Cable and conduit entries
Section III. Supplementary requirements for certain
electrical apparatus
16. Rotating electrical machines
17. Switchgear
18. Fuses
19. Plugs and sockets
20. Luminaires
21. Hand lamps and caplamps
Section IV. Verifications and tests
22. Type verifications and tests
23. Routine verifications and tests
24. Manufacturer's responsibility
25. Verifications and tests on modified or repaired
    electrical apparatus
Section V. Marking
26. Marking
Annex A. Subdivision of gases and vapours according to
          their maximum experimental safe gaps and
          minimum ignition currents
Annex B. Example of test rig for impact test
Annex C. Methods of measurement of the insulation
          resistance of parts of enclosures of plastics
          materials
Annex D. Practical examples of legible and durable
          marking
Annex E. Declaration by the manufacturer

Construction and testing of electrical apparatus to ensure that it will not cause an explosion of the surrounding atmosphere. Definitions, grouping and classification of electrical apparatus, temperatures, marking.