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BS 7430:2011+A1:2015

BS 7430:2011+A1:2015

$215.11

Code of practice for protective earthing of electrical installations

Published By Publication Date Number of Pages
BSI 2015 98
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This British Standard primarily provides recommendations and guidance on meeting the requirements for the earthing of electrical installations, including:

  1. protective earthing of low voltage installations to BS 7671:2008+A3:2015;

  2. the interface between LV and HV substations of 11 000/400 V to BS EN 61936‑1:2010+A1:2014 within buildings; and

  3. protective earthing and changeover switch arrangements for generators supplying low voltage installations.

The earthing of a system or installation is generally provided for reasons of safety.

This British Standard applies only to land-based installations in and around buildings. It does not apply to:

  1. ships, aircraft or offshore installations;

  2. earthing of medical equipment [see BS EN 60601 (all parts)];

  3. special problems encountered with solid state electronic components;

  4. equipment sensitive to static electricity;

  5. requirements for functional earthing;

  6. earthing of overhead lines between electrical installations; or

  7. the internal earthing of equipment.

BS 7430:2011+A1:2015
$215.11