BS 7430(2011) : 2011
Current
The latest, up-to-date edition.
CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS
Hardcopy , PDF
English
01-01-2011
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Earthing principles
5 HV/LV interface
6 Low voltage installations
7 Generators
8 Special installations
9 Earth electrode systems
10 Inspection and testing of the earthing system
Annexes
Annex A (informative) - Guidance on typical HV/LV
interfaces
Annex B (informative) - Typical simple installation
of an earthing system for a small LV substation
Bibliography
Defines recommendations and guidance on meeting the requirements for the earthing of electrical installations, including: a) protective earthing of low voltage installations to BS 7671:2008+A3:2015; b) the interface between LV and HV substations of 11000/400 V to BS EN 61936-1:2010+A1:2014 within buildings; and c) protective earthing and changeover switch arrangements for generators supplying low voltage installations.
| Committee |
GEL/600
|
| DevelopmentNote |
Supersedes BS 7430(1998). (12/2011) Supersedes 11/30249994 DC. (01/2012) 2011 Edition Re-Issued in August 2015 & incorporates AMD 1 2015. Supersedes 15/30322343 DC. (09/2015)
|
| DocumentType |
Standard
|
| Pages |
98
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
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| BS EN 61936-1 : 2010 | POWER INSTALLATIONS EXCEEDING 1 KV A.C - PART 1: COMMON RULES |
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| BS EN 1780-1:2002 | Aluminium and aluminium alloys. Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings Numerical designation system |
| BS 7454(1991) : 1991 | METHOD FOR CALCULATION OF THERMALLY PERMISSIBLE SHORT-CIRCUIT CURRENTS, TAKING INTO ACCOUNT NON-ADIABATIC HEATING EFFECTS |
| BS EN 1652:1998 | Copper and copper alloys. Plate, sheet, strip and circles for general purposes |
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| BS 1377-3:1990 | Methods of test for soils for civil engineering purposes Chemical and electro-chemical tests |
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| BS 2873:1969 | Specification for copper and copper alloys. Wire |
| BS IEC 60050-195:1998 | International electrotechnical vocabulary Earthing and protection against electric shock |
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| IEC 60909:1988 | Short-circuit current calculation in three-phase a.c. systems |
| BS 215-2:1970 | Specification for aluminium conductors and aluminium conductors, steel-reinforced for overhead power transmission Aluminium conductors, steel-reinforced |
| BS EN 1982:2017 | Copper and copper alloys. Ingots and castings |
| BS EN 1562:2012 | Founding. Malleable cast irons |
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| BS EN 60335-1 : 2012 | HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60335-1:2010, MODIFIED) |
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