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BS 7071:1992
Current
The latest, up-to-date edition.
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Specification for portable residual current devices
Hardcopy , PDF
English
15-09-1992
Foreword
Committees responsible
Specification
1. Scope
2. Definitions and symbols
3. Classification
4. Rating
5. Marking and labelling
6. Service conditions
7. Design and construction
8. Type tests
9. Routine tests
Appendices
A. Relevant requirements and tests of standards for
compatible plugs, adaptors and socket-outlets
B. Function of test circuit
C. Measurement of creepage distances and clearances
Tables
1. High voltage test values
1a. Limits of temperature rises
2. Endurance test sequence
3. Torque values for screws and nuts
4. Application of glow-wire test
Figures
1. Test circuit for earth fault breaking current test
2. Tumbling barrel
3. Typical circuit diagram for a portable rcd
4. Test circuit for circuit fault current test
5. Apparatus for flexing test
6. Apparatus for pressure test
7. Ball pressure test apparatus
8. Glow wire with thermocouple
9. Glow wire test apparatus
10. Arrangements and dimensions of the electrodes for
the tracking test
11. Dispositions of portable rcd for testing test
circuit operation
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