BS 5458:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for safety requirements for indicating and recording electrical measuring instruments and their accessories
Hardcopy , PDF
15-08-1993
English
29-04-1977
Foreword
1. Scope
2. Definitions
3. General requirements and test procedure
Part A - Common safety requirements for all instruments
4. Marking
5. Heating
6. Protection against electric shock
7. Precautions against the spread of fire
8. Component parts and accessories
9. Connection devices
Part B - Requirements for instruments or parts of them
having no reasonably dust-proof enclosure
10. Clearances and creepage distances
11. Constructional requirements
Part C - Requirements for instruments using a mains
supply
12. Marking, separation, voltage setting, earth
connection, cords
Part D - Instruments containing electronic devices
13. Application of Relevant Publications, construction
Part E - Instruments with double or reinforced insulation
14. Definitions, requirements, marking
Part F - Graphical symbols
Appendix - Notes on the concept of nominal circuit
voltage (circuit insulation voltage)
Figures
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