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  • AS/NZS 60079.12:2000

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Electrical apparatus for explosive gas atmospheres Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents

    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    Superseded date:  30-06-2017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 60079.12:2000 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - CLASSIFICATION OF MIXTURES OF GASES OR VAPOURS WITH...
    4 - PREFACE
    4 - CONTENTS
    5 - 1 Scope
    5 - 2 Classification of gases and vapours
    5 - 2.1 Classification according to the maximum experimental safe gaps (MESG)
    6 - 2.2 Classification according to the minimum igniting currents (MIC)
    6 - 2.3 Classification according to MESG and MIC
    6 - 2.4 Classification according to a similarity of chemical structure
    7 - 2.5 Classification of mixtures of gases
    7 - 3 Tables of gases
    7 - Table 1 - Gases or vapours for which Group IIA apparatus is required
    13 - Table 2 - Gases or vapours for which Group IIB apparatus is required
    14 - Table 3 - Gases or vapours for which group IIC apparatus is required

    Abstract - (Show below) - (Hide below)

    Gives guidance on the selection fo the appropriate group or sub-group of electrical apparatus, protected by flameproof enclosure or designed to be intrinsically safe, according to the gas or vapour in which it is intended to be used. Provides a classification of most used gases and vapours and gives guidance on tests to classify additional gases or vapours not listed in this Standard. This Standard is identical with and has been reproduced from IEC/TR 60079-12:1978.

    Scope - (Show below) - (Hide below)

    This report provides guidance on the selection of the appropriate group or sub-group of electrical apparatus, protected by flameproof enclosure or designed to be intrinsically safe, according to the gas or vapour in which it is intended to be used.This report provides the basis for the classification of the most used gases and vapours. Guidance is given on the tests to be carried out to classify any additional gases or vapours not listed in this report.

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

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

    History - (Show below) - (Hide below)

    First published as AS/NZS 60079.12:2000.

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEEE 303-2004 IEEE Recommended Practice for Auxiliary Devices for Rotating Electrical Machines in Class I, Division 2 and Zone 2 Locations

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

    AS 4647-2011 Diaphragm gas meters
    AS/NZS 60335.2.11:2009 Household and similar electrical appliances - Safety Particular requirements for tumble dryers (IEC 60335-2-11 Ed 7.1, MOD)
    AS/NZS 1716:2012 Respiratory protective devices
    AS 60849-2004 Sound systems for emergency purposes (IEC 60849:1998 MOD)
    AS 1681-2002 Safety requirements for electrically heated Type 1 ovens in which flammable volatiles occur (Reconfirmed 2013)
    AS/NZS 4024.1:2006 Series Safety of machinery Safety of machinery series
    AS/NZS 60079.0:2008 Explosive atmospheres Equipment - General requirements
    AS 4024.1202-2006 Safety of machinery General principles - Technical principles
    AS/NZS 2081:2011 Electrical protection devices for mines and quarries (Reconfirmed 2022)
    AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
    AS/NZS 1680.1:2006 Interior and workplace lighting General principles and recommendations
    AS/NZS 3004.2:2008 Electrical installations - Marinas and recreational boats Recreational boats installations
    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
    HB 239:2011 Guidance on the repair and overhaul of electrical equipment for explosive atmospheres
    AS/NZS 60079.1:2005 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd'
    AS 60204.11-2006 Safety of machinery - Electrical equipment of machines Requirements for HV equipment for voltages above 1000 V a.c. or 1500 V d.c and not exceeding 36 kV (IEC 60204-11, Ed. 1.0 (2000) MOD)
    AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
    AS 60204.1-2005 Safety of machinery - Electrical equipment of machines General requirements (IEC 60204-1, Ed. 5 (FDIS) MOD)
    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 5026:2012 The storage and handling of Class 4 dangerous goods
    HB 13-2007 Electrical equipment for hazardous areas
    AS/NZS 60079.7:2006 Explosive atmospheres Equipment protection by increased safety 'e'
    AS/NZS 60079.15:2011 Explosive atmospheres Equipment protection by type of protection 'n'
    HB 13-2000 Electrical equipment for hazardous areas
    AS/NZS 4871.3:2010 Electrical equipment for mines and quarries Substations
    AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
    AS/NZS 60079.26:2007 Explosive atmospheres Equipment with equipment protection level (EPL) Ga
    AS/NZS 60079.28:2007 Explosive atmospheres Protection of equipment and transmission systems using optical radiation
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