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    AS/NZS 60079.0:2000

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    Electrical apparatus for explosive gas atmospheres General requirements

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  30-06-2017

    Language(s):  English

    Published date:  26-04-2000

    Publisher:  Standards Australia

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

    1 - AS/NZS 60079.0:2000 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - GENERAL REQUIREMENTS
    4 - PREFACE
    5 - CONTENTS
    7 - 1 Scope
    8 - 2 Normative references
    10 - 3 Definitions and symbols
    10 - 3.1 electrical apparatus
    10 - 3.2 potentially explosive atmosphere
    10 - 3.3 explosive gas atmosphere
    10 - 3.4 explosive test mixture
    10 - 3.5 ignition temperature of an explosive gas atmosphere
    10 - 3.6 service temperature
    11 - 3.7 maximum service temperature
    11 - 3.8 maximum surface temperature
    11 - 3.9 enclosure
    11 - 3.10 type of protection
    11 - 3.11 degree of protection of enclosure (IP)
    11 - 3.12 rated value
    11 - 3.13 rating
    11 - 3.14 cable entry
    12 - 3.15 Ex cable entry
    12 - 3.16 conduit entry
    12 - 3.17 compression element
    12 - 3.18 clamping device
    12 - 3.19 sealing ring
    12 - 3.20 terminal compartment
    12 - 3.21 connection facilities
    12 - 3.22 bushing
    12 - 3.23 Ex component
    12 - 3.24 symbol ‘X’
    12 - 3.25 symbol ‘U’
    13 - 3.26 certificate
    13 - 4 Apparatus grouping and temperature classification
    13 - 5 Temperatures
    13 - 5.1 Maximum surface temperature
    14 - 5.2 Ambient temperatures
    14 - 5.3 Surface temperature and ignition temperature
    15 - 6 Requirements for all electrical apparatus
    15 - 7 Non-metallic enclosures and non-metallic parts of enclosures
    15 - 7.1 General
    16 - 7.2 Thermal endurance
    16 - 7.3 Electrostatic charges on enclosures or parts of enclosures of plastic material
    16 - 7.3.1 Electrical apparatus of Group I
    16 - 7.3.2 Electrical apparatus of Group II
    17 - 7.4 Threaded holes
    17 - 8 Enclosures containing light metals
    18 - 9 Fasteners
    18 - 9.1 General
    18 - 9.2 Special fasteners
    18 - 9.3 Electrical apparatus – holes for special fasteners
    19 - 10 Interlocking devices
    20 - 11 Bushings
    20 - 12 Materials used for cementing
    20 - 13 Ex components
    21 - 14 Connection facilities and terminal compartments
    21 - 15 Connection facilities for earthing or bonding conductors
    22 - 16 Cable and conduit entries
    23 - 17 Supplementary requirements for rotating electrical machines
    23 - 17.1 Ventilation openings for external fans
    23 - 17.2 Construction and mounting of the ventilating systems
    24 - 17.3 Clearances for the ventilating system
    24 - 17.4 Materials for external fans and fanhoods
    24 - 18 Supplementary requirements for switchgear
    25 - 19 Supplementary requirements for fuses
    25 - 20 Supplementary requirements for plugs and sockets
    26 - 21 Supplementary requirements for luminaires
    26 - 22 Supplementary requirements for caplights, caplamps and handlamps
    26 - 22.1 Caplights for Group I
    27 - 22.2 Caplamps for Group II and handlamps
    27 - 23 Type verifications and tests
    27 - 23.1 General
    27 - 23.2 Verification of documents
    27 - 23.3 Compliance of prototype or sample with documents
    27 - 23.4 Type tests
    27 - 23.4.1 General
    27 - 23.4.2
    28 - 23.4.3 Mechanical tests
    29 - 23.4.4 Tests for the degree of protection IP by enclosures
    29 - 23.4.5 Torque test for bushings
    30 - 23.4.6 Thermal tests
    31 - 23.4.7 Tests of non-metallic enclosures or of non-metallic parts of enclosures
    34 - 23.4.8 Tests in explosive mixtures
    34 - 24 Routine verifications and tests
    34 - 25 Manufacturer's responsibility
    34 - 26 Verifications and tests on modified or repaired electrical apparatus
    35 - 27 Marking
    39 - Annex A - Subdivision of gases and vapours according to their maximum experimental safe gaps and minimum ignition currents
    47 - Annex B - Ex cable entries
    47 - B.1 General
    47 - B.2 Constructional requirements
    49 - B.3 Type tests
    52 - B.4 Marking
    53 - Annex C - Table C.1 – Clauses with which Ex components shall comply
    54 - Annex D - Example of rig for resistance to impact test

    Abstract - (Show below) - (Hide below)

    Specifies the general requirements for construction, testing and marking of electrical apparatus, Ex cable entries and Ex components, intended for use in potentially explosive atmospheres of gas, vapour and mist. This Standard does not specify requirements for safety, other than those directly related to the explosion risk. This Standard is identical with and has been reproduced from IEC 60079-0:1998.

    Scope - (Show below) - (Hide below)

    This part of AS/NZS 60079 specifies the general requirements for construction, testing and marking of electrical apparatus, Ex cable entries and Ex components, intended for use in potentially explosive atmospheres of gas, vapour and mist.This standard does not specify requirements for safety, other than those directly related to the explosion risk.This standard is or will be supplemented or modified by the following parts of IEC 60079 concerning specific types of protection:IEC 60079-1, flameproof enclosures d; IEC 60079-2, pressurized enclosures p; IEC 60079-5, powder filling q; IEC 60079-6, oil immersion o; IEC 60079-7, increased safety e; IEC 60079-11, intrinsic safety i;IEC 60079-18, encapsulation m;IEC 60079-22, Caplights for mines susceptible to firedamp (under consideration).*This part of AS/NZS 60079 and the parts of IEC 60079 mentioned above are not applicable to the construction of electromedical apparatus, shot-firing exploders, test devices for exploders and for shot-firing circuits.NOTE 1 In addition to the types of protection listed above, IEC 60079-15 is applicable for use in a potentially explosive atmosphere.NOTE 2 Apparatus not conforming with this standard or the standards listed in this clause may be considered safe by a national or other authorised body for use in potentially explosive atmospheres. In such cases, the apparatus is identified with the symbol s.

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

    Committee EL-014
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as AS/NZS 60079.0:2000.

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

    AS/NZS 60079.7:2002 Electrical apparatus for explosive gas atmospheres Increased safety 'e'
    AS 60849-2004 Sound systems for emergency purposes (IEC 60849:1998 MOD)
    AS/NZS 60079.25:2004 Electrical apparatus for explosive gas atmospheres Intrinsically safe systems
    AS/NZS 62086.1:2002 Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating General and testing requirements
    AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
    AS/NZS 62086.2:2002 Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating Application guide for design, installation and maintenance (IEC 62086-2:2001, MOD)
    AS/NZS 3800:2005 Electrical equipment for explosive atmospheres - Repair and overhaul
    AS/NZS 60079.20:2000 Electrical apparatus for explosive gas atmospheres Data for flammable gases and vapours, relating to the use of electrical apparatus
    MP 87(Int):2001 Australian/New Zealand Certification Scheme for explosion-protected electrical equipment (ANZEx Scheme) - Basic rules and procedures
    AS/NZS 60079.1:2005 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd'
    AS/NZS 4783.2:2002 Performance of electrical lighting equipment - Ballasts for fluorescent lamps Energy labelling and minimum energy performance standards requirements (Reconfirmed 2013)
    AS/NZS 60079.1:2002 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd'
    AS/NZS 62013.1:2001 Caplights for use in mines susceptible to firedamp General requirements - Construction and testing in relation to the risk of explosion
    MP 87:2004 Australian/New Zealand Certification Scheme for explosion-protected electrical equipment (ANZEx Scheme) - Basic rules and procedures
    AS/NZS 60079.2:2002 Electrical apparatus for explosive gas atmospheres Pressurized enclosures 'p'
    AS/NZS 3584.2:2003 Diesel engine systems for underground coal mines - Explosion protected
    HB 13-2000 Electrical equipment for hazardous areas
    AS/NZS 60079.27(INT):2003 Electrical apparatus for explosive gas atmospheres Fieldbus intrinsically safe concept (FISCO)
    AS/NZS 60079.11:2000 Electrical apparatus for explosive gas atmospheres Intrinsic safety 'i'
    AS/NZS 4871.1:2002 Electrical equipment for coal mines, for use underground General requirements
    AS/NZS 2229:2004 Fuel dispensing equipment for explosive atmospheres
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