BS 4444:1989
Current
The latest, up-to-date edition.
Guide to electrical earth monitoring and protective conductor proving
Hardcopy , PDF
English
31-12-1989
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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
Principles involved in the design and construction of earth monitoring, earth proving and insulation monitoring devices, and requirements for their safe use and application.
| Committee |
PEL/23
|
| DevelopmentNote |
Supersedes 88/26607 DC and BS 4444(1969) (08/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard explains the principles involved in the design and construction of earth monitoring, earth proving and insulation monitoring devices, together with the requirements for their safe use and application.
Systems of earth fault protection are given in Appendix A and special requirements for protection of data processing equipment are described in Appendix B.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
| BS 196:1961 | Specification for protected-type non-reversible plugs, socket-outlets cable-couplers and appliance-couplers with earthing contacts for single phase a.c. circuits up to 250 volts |
| BS 6204:1982 | Specification for safety of data processing equipment |
| BS 4343:1968 | Specification for industrial plugs, socket-outlets and couplers for a.c. and d.c. supplies |
| BS 842:1965 | Specification for a.c. voltage-operated earth-leakage circuit breakers |
| BS 4293:1983 | Specification for residual current-operated circuit-breakers |
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