BS 4444:1989

This standard BS 4444:1989 Guide to electrical earth monitoring and protective conductor proving is classified in these ICS categories:

• 13.260 Protection against electric shock. Live working
• 29.020 Electrical engineering in general

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.

Principles involved in the design and construction of earth monitoring, earth proving and insulation monitoring devices, and requirements for their safe use and application.