IEC 60414:1973

Contents
Foreword
Preface
Clause
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-Roof 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

Applicable to electrical and electrically-operated measuring instruments such as direct-acting indicating instruments, direct-acting recording instruments, indirect-acting instruments and certain accessories used with these instruments. Applicable also to indicating and recording instruments containing electronic devices. Requirements intended to ensure reasonable personal protection and protection against damage to the surrounding area. Tests for the verification of compliance with these requirements. Special definitions.