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11/30249994 DC : DRAFT JULY 2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS 7430 - CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS
Superseded date

12-31-2011

Published date

11-23-2012

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 calculations for
        various types of earth electrodes for a
        small substation
Bibliography

BS 7430

Committee
GEL/600
DocumentType
Draft
PublisherName
British Standards Institution
Status
Superseded

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BS EN 1011-4:2000 Welding. Recommendations for welding of metallic materials Arc welding of aluminium and aluminium alloys
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BS EN 586-2:1994 Aluminium and aluminium alloys. Forgings Mechanical properties and additional property requirements
IEC 61558-2-4:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
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
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BS EN 62305-2:2012 Protection against lightning Risk management
IEC 60949:1988 Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
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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 60909-0:2016 Short-circuit currents in three-phase a.c. systems Calculation of currents
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 2873:1969 Specification for copper and copper alloys. Wire
BS IEC 60050-195:1998 International electrotechnical vocabulary Earthing and protection against electric shock
IEC GUIDE 104:2010 The preparation of safety publications and the use of basic safety publications and group safety publications
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
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 12601:2010 Reciprocating internal combustion engine driven generating sets. Safety
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
PD 6484:1979 Commentary on corrosion at bimetallic contacts and its alleviation
IEC 61140:2016 Protection against electric shock - Common aspects for installation and equipment
BS 2871-3:1972 Specification for copper and copper alloys. Tubes Tubes for heat exchangers
BS EN 50164-2:2008 Lightning protection components (LPC) Requirements for conductors and earth electrodes
BS EN 10255:2004 Non-alloy steel tubes suitable for welding and threading. Technical delivery conditions
IEC TR 60479-5:2007 Effects of current on human beings and livestock - Part 5: Touch voltage threshold values for physiological effects
BS EN 12420:2014 Copper and copper alloys. Forgings
BS 7361-1:1991 Cathodic protection Code of practice for land and marine applications
BS EN 61008-1 : 2012 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITHOUT INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCCBS) - PART 1: GENERAL RULES (IEC 61008-1:2010, MODIFIED)
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)

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