BS 4444:1989
Current
The latest, up-to-date edition.
Guide to electrical earth monitoring and protective conductor proving
Hardcopy , PDF
English
12-31-1989
Foreword
Committees responsible
Guide
0. Introduction
1. Scope
2. Definitions
3. Earthing proving systems
4. Earth monitoring systems
5. Practical arrangements
6. Cables
7. Plugs, socket outlets, cable couplers and
appliance connectors
8. Multi-outlet systems
Appendices
A. Devices for earth fault protection
B. Data processing equipment
Figures
1. Basic circuit for earth proving unit
2. Basic circuit for earth monitoring unit
3. Basic circuit for earth proving and monitoring
unit
4. Typical arrangement of earth monitoring units
5. Typical arrangement of functional earthing system
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