CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2011

Publisher

British Standards Institution

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

BS EN 10088-1:2014	Stainless steels List of stainless steels
BS EN 12165:2011	Copper and copper alloys. Wrought and unwrought forging stock
BS EN 12167:2011	Copper and copper alloys. Profiles and bars for general purposes
BS EN 61936-1 : 2010	POWER INSTALLATIONS EXCEEDING 1 KV A.C - PART 1: COMMON RULES
BS EN 1011-4:2000	Welding. Recommendations for welding of metallic materials Arc welding of aluminium and aluminium alloys
BS EN 586-2:1994	Aluminium and aluminium alloys. Forgings Mechanical properties and additional property requirements
BS 1473:1955	Specification for wrought aluminium and aluminium alloys for general engineering purposes - rivet, bolt & screw stock for forging.
BS EN 13601:2013	Copper and copper alloys. Copper rod, bar and wire for general electrical purposes
BS 2871-1:1971	Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
BS EN 61140 : 2002	PROTECTION AGAINST ELECTRIC SHOCK - COMMON ASPECTS FOR INSTALLATION AND EQUIPMENT
BS EN 10025-2:2004	Hot rolled products of structural steels Technical delivery conditions for non-alloy structural steels
BS EN 60228:2005	Conductors of insulated cables
BS EN 10263-4:2001	Steel rod, bars and wire for cold heading and cold extrusion Technical delivery conditions for steels for quenching and tempering
BS EN 62305-2:2012	Protection against lightning Risk management
BS EN 62305-3:2011	Protection against lightning Physical damage to structures and life hazard
BS 7671(2008) : 2008	REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
BS EN 50122-1 : 2011	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 1: PROTECTIVE PROVISIONS AGAINST ELECTRIC SHOCK
BS EN 50522:2010	Earthing of power installations exceeding 1 kV a.c.
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
ISO/IEC Guide 51:2014	Safety aspects Guidelines for their inclusion in standards
BS 1377-3:1990	Methods of test for soils for civil engineering purposes Chemical and electro-chemical tests
BS EN ISO 1461:2009	Hot dip galvanized coatings on fabricated iron and steel articles. Specifications and test methods
BS 2873:1969	Specification for copper and copper alloys. Wire
BS IEC 60050-195:1998	International electrotechnical vocabulary Earthing and protection against electric shock
BS EN ISO 1460:1995	Metallic coatings. Hot dip galvanized coatings on ferrous materials. Gravimetric determination of the mass per unit area
IEC GUIDE 104:2010	The preparation of safety publications and the use of basic safety publications and group safety publications
BS EN 14505:2005	Cathodic protection of complex structures
BS EN 1561:2011	Founding. Grey cast irons
BS EN 50122-2:2010	Railway applications. Fixed installations. Electrical safety, earthing and the return circuit Provisions against the effects of stray currents caused by d.c. traction systems
BS EN 62040-1-2:2003	Uninterruptible power systems (UPS) General and safety requirements for UPS used in restricted access locations
BS 2871-2:1972	Specification for copper and copper alloys. Tubes Tubes for general purposes
BS EN 12449:2016	Copper and copper alloys. Seamless, round tubes for general purposes
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
BS EN 485-2:2013	Aluminium and aluminium alloys. Sheet, strip and plate Mechanical properties
BS EN 755-2:2016	Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles Mechanical properties
BS 2871-3:1972	Specification for copper and copper alloys. Tubes Tubes for heat exchangers
BS EN 12420:2014	Copper and copper alloys. Forgings
BS EN 88528-11:2004	Reciprocating internal combustion engine driven alternating current generating sets Rotary uninterruptible power systems. Performance requirements and test methods
BS EN 12163:2011	Copper and copper alloys. Rod for general purposes
BS EN 60335-1 : 2012	HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60335-1:2010, MODIFIED)