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  • 11/30249994 DC : DRAFT JULY 2011

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s): 

    Superseded date:  31-12-2011

    Language(s): 

    Published date:  23-11-2012

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee GEL/600
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded

    Standards Referencing This Book - (Show below) - (Hide below)

    BS EN 62305-1:2011 Protection against lightning General principles
    BS EN 10088-1:2014 Stainless steels List of stainless steels
    BS IEC 61000-5.2 : 1997
    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 61558-2-4:2009 Safety of transformers, reactors,power supply units and similar products for supply voltages up to 1100 V Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
    BS EN 1011-4:2000 Welding. Recommendations for welding of metallic materials Arc welding of aluminium and aluminium alloys
    DD IEC TS 60479-1 : 2005 COR 2013 EFFECTS OF CURRENT ON HUMAN BEINGS AND LIVESTOCK - PART 1: GENERAL ASPECTS
    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
    IEC 60909-0:2016 Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
    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
    IEC 60949:1988 Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
    BS EN 62305-3:2011 Protection against lightning Physical damage to structures and life hazard
    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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