British Standards Document
BS 7430
Code of practice for protective earthing of electrical installations

https://doi.org/10.3403/30130631U

BS 7430 is maintained by GEL/600. The current release of this standard is:

BS 7430:2011+A1:2015 Code of practice for protective earthing of electrical installations

https://doi.org/10.3403/30130631 (published 31/12/2011)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS 7430:2011 [current until 28/08/2015]
BS 7430:1998 [current until 31/12/2011]
BS 7430:1991 [current until 15/11/1998]