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BS 4444:1989

BS 4444:1989

Current

Current

The latest, up-to-date edition.

Guide to electrical earth monitoring and protective conductor proving

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-12-1989

Publisher

British Standards Institution

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.

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.

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

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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PDF - English
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