• 09/30206527 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.


    Available format(s):  Hardcopy, PDF

    Superseded date:  30-09-2012

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Equipment grouping
       4.1 Group I
       4.2 Group II
       4.3 Group III
       4.4 Equipment for a particular explosive atmosphere
    5 Temperatures
       5.1 Environmental influences
       5.2 Service temperature
       5.3 Maximum surface temperature
    6 Requirements for all electrical equipment
       6.1 General
       6.2 Mechanical strength of equipment
       6.3 Opening times
       6.4 Circulating currents in enclosures (e.g. of
             large electrical machines)
       6.5 Gasket retention
       6.6 Electromagnetic and ultrasonic energy radiating
    7 Non-metallic enclosures and non-metallic parts of enclosures
       7.1 General
       7.2 Thermal endurance
       7.3 Resistance to light
       7.4 Electrostatic charges on external non-metallic
       7.5 Accessible metal parts
    8 Metallic enclosures and metallic parts of enclosures
       8.1 Material composition
       8.2 Group I
       8.3 Group II
       8.4 Group III
    9 Fasteners
       9.1 General
       9.2 Special fasteners
       9.3 Holes for special fasteners
    10 Interlocking devices
    11 Bushings
    12 Materials used for cementing
    13 Ex Components
       13.1 General
       13.2 Mounting
       13.3 Internal mounting
       13.4 External mounting
    14 Connection facilities and termination compartments
       14.1 General
       14.2 Termination compartment
       14.3 Type of protection
       14.4 Creepage and clearance
    15 Connection facilities for earthing or bonding conductors
       15.1 Equipment requiring earthing
       15.2 Equipment not requiring earthing
       15.3 Size of conductor connection
       15.4 Protection against corrosion
       15.5 Secureness of electrical connections
    16 Entries into enclosures
       16.1 General
       16.2 Identification of entries
       16.3 Cable glands
       16.4 Blanking elements
       16.5 Thread adapters
       16.6 Temperature at branching point and entry point
       16.7 Electrostatic charges of cable sheaths
    17 Supplementary requirements for rotating machines
       17.1 Ventilation
       17.2 Bearings
    18 Supplementary requirements for switchgear
       18.1 Flammable dielectric
       18.2 Disconnectors
       18.3 Group I - Provisions for locking
       18.4 Doors and covers
    19 Supplementary requirements for fuses
    20 Supplementary requirements for plugs, socket
       outlets and connectors
       20.1 Interlocking
       20.2 Energized plugs
    21 Supplementary requirements for luminaires
       21.1 General
       21.2 Covers for luminaires of EPL Mb, EPL Gb, or EPL Db
       21.3 Covers for luminaires of EPL Gc or EPL Dc
       21.4 Sodium lamps
    22 Supplementary requirements for caplights and handlights
       22.1 Group I caplights
       22.2 Group II and Group III caplights and handlights
    23 Equipment incorporating cells and batteries
       23.1 General
       23.2 Batteries
       23.3 Cell types
       23.4 Cells in a battery
       23.5 Ratings of batteries
       23.6 Interchangeability
       23.7 Charging of primary batteries
       23.8 Leakage
       23.9 Connections
       23.10 Orientation
       23.11 Replacement of cells or batteries
       23.12 Replaceable battery pack
    24 Documentation
    25 Compliance of prototype or sample with documents
    26 Type tests
       26.1 General
       26.2 Test configuration
       26.3 Tests in explosive test mixtures
       26.4 Tests of enclosures
       26.5 Thermal tests
       26.6 Torque test for bushings
       26.7 Non-metallic enclosures or non-metallic parts
             of enclosures
       26.8 Thermal endurance to heat
       26.9 Thermal endurance to cold
       26.10 Resistance to light
       26.11 Resistance to chemical agents for Group I
             electrical equipment
       26.12 Earth continuity
       26.13 Surface resistance test of parts of enclosures
             of non-metallic materials
       26.14 Measurement of capacitance
       26.15 Verification of ratings of ventilating fans
       26.16 Alternative qualification of elastomeric
             sealing O-rings
    27 Routine tests
    28 Manufacturer's responsibility
       28.1 Conformity with the documentation
       28.2 Certificate
       28.3 Responsibility for marking
    29 Marking
       29.1 Location
       29.2 General
       29.3 Ex marking for explosive gas atmospheres
       29.4 Ex marking for explosive dust atmospheres
       29.5 Combined types of protection
       29.6 Multiple types of protection
       29.7 Ga using two independent Gb types of protection
       29.8 Ex Components
       29.9 Small equipment and small Ex Components
       29.10 Extremely small equipment and extremely
             small Ex Components
       29.11 Warning markings
       29.12 Alternate marking of equipment protection
             levels (EPLs)
       29.13 Cells and batteries
       29.14 Converter-fed electrical machines
       29.15 Examples of marking
    30 Instructions
       30.1 General
       30.2 Cells and batteries
       30.3 Electrical machines
       30.4 Ventilating fans
    Annex A (normative) - Supplementary requirements for
            cable glands
       A.1 General
       A.2 Constructional requirements
       A.3 Type tests
       A.4 Marking
    Annex B (normative) - Requirements for Ex Components
    Annex C (informative) - Example of rig for resistance to impact
    Annex D (informative) - Alternative risk assessment method
            encompassing "equipment protection levels" for Ex
       D.1 Historical background
       D.2 General
       D.3 Risk of ignition protection afforded
       D.4 Implementation
    Annex E (informative) - Motors supplied by converters
    Annex F (Informative) - Temperature rise testing of electric
    Annex G (Informative) - Guideline flowchart for tests of
            non-metallic enclosures nonmetallic parts of enclosures

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

    Comment Closes On
    Committee GEL/31
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    IEC 60243-1:2013 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
    IEC 60079-1:2014 RLV Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
    ISO/IEC 17000:2004 Conformity assessment Vocabulary and general principles
    IEC 60079-10:2002 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
    ISO 3601-2:2016 Fluid power systems — O-rings — Part 2: Housing dimensions for general applications
    IEC 60662:2011 High-pressure sodium vapour lamps - Performance specifications
    IEC 60192:2001 Low-pressure sodium vapour lamps - Performance specifications
    IEC TR 60079-20:1996 Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus
    ISO 14583:2011 Hexalobular socket pan head screws
    IEC 60079-19:2010+AMD1:2015 CSV Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation
    IEC 60034-29:2008 Rotating electrical machines - Part 29: Equivalent loading and superposition techniques - Indirect testing to determine temperature rise
    IEC 60079-17:2013 Explosive atmospheres - Part 17: Electrical installations inspection and maintenance
    IEC 60079-18:2014 RLV Explosive atmospheres - Part 18: Equipment protection by encapsulation “m”
    ISO 4225:1994 Air quality General aspects Vocabulary
    ISO 4017:2014 Fasteners Hexagon head screws Product grades A and B
    IEC 60216-2:2005 Electrical insulating materials - Thermal endurance properties - Part 2: Determination of thermal endurance properties of electrical insulating materials - Choice of test criteria
    ISO 4032:2012 Hexagon regular nuts (style 1) — Product grades A and B
    IEC 60079-5:2015 RLV Explosive atmospheres - Part 5: Equipment protection by powder filling "q"
    ISO 527-2:2012 Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and extrusion plastics
    IEC 62013-1:2005 Caplights for use in mines susceptible to firedamp - Part 1: General requirements - Construction and testing in relation to the risk of explosion
    IEC 60050-426:2008 International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
    ISO 4762:2004 Hexagon socket head cap screws
    ISO 262:1998 ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts
    IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
    ISO 4027:2003 Hexagon socket set screws with cone point
    IEC 60079-27:2008 Explosive atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO)
    IEC 61951-2:2017 Secondary cells and batteries containing alkaline or other non acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 2: Nickel-metal hydride
    IEC TS 60034-25:2014 Rotating electrical machines - Part 25: AC electrical machines used in power drive systems - Application guide
    IEC 61951-1:2017 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 1: Nickel-Cadmium
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC TS 60034-17:2006 Rotating electrical machines - Part 17: Cage induction motors when fed from converters - Application guide
    IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
    IEC 61056-1:2012 General purpose lead-acid batteries (valve-regulated types) - Part 1: General requirements, functional characteristics - Methods of test
    ISO 4029:2003 Hexagon socket set screws with cup point
    IEC 60423:2007 Conduit systems for cable management - Outside diameters of conduits for electrical installations and threads for conduits and fittings
    IEC 60079-25:2010 Explosive atmospheres - Part 25: Intrinsically safe electrical systems
    IEC 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
    IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
    IEC 60086-1:2015 Primary batteries - Part 1: General
    IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
    ISO 4026:2003 Hexagon socket set screws with flat point
    ISO 286-2:2010 Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
    IEC 61241-4:2001 Electrical apparatus for use in the presence of combustible dust - Part 4: Type of protection "pD"
    ISO 273:1979 Fasteners Clearance holes for bolts and screws
    ISO 4892-2:2013 Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps
    IEC 60079-31:2013 Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
    ISO 965-1:2013 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data
    IEC 60079-30-1:2007 Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements
    ISO 3601-1:2012 Fluid power systems — O-rings — Part 1: Inside diameters, cross-sections, tolerances and designation codes
    IEC 61241-2-1:1994 Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 1: Methods for determining the minimum ignition temperatures of dust
    CLC/TR 50427:2004 Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation - Guide
    ISO 4028:2003 Hexagon socket set screws with dog point
    ISO 965-3:1998 ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threads
    ISO 48:2010 Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD)
    IEC 60623:2017 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Vented nickel-cadmium prismatic rechargeable single cells
    ISO 178:2010 Plastics Determination of flexural properties
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC 60216-1:2013 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
    IEC 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
    IEC 60079-26:2014 RLV Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga
    IEC 61241-14:2004 Electrical apparatus for use in the presence of combustible dust - Part 14: Selection and installation
    ISO 1817:2015 Rubber, vulcanized or thermoplastic Determination of the effect of liquids
    ISO 4014:2011 Hexagon head bolts Product grades A and B
    IEC 60095-1:2006 Lead-acid starter batteries - Part 1: General requirements and methods of test
    IEC 60622:2002 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Sealed nickel-cadmium prismatic rechargeable single cells
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