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  • AS/NZS 60079.7:2006

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Explosive atmospheres Equipment protection by increased safety 'e'

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

    Superseded date:  30-06-2017

    Language(s): 

    Published date:  27-12-2006

    Publisher:  Standards Australia

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

    1 - AS/NZS 60079.7:2006 Explosive atmospheres Part 7: Equipment protection by increased safety ‘e’
    4 - PREFACE
    5 - CONTENTS
    7 - 1 Scope
    7 - 2 Normative references
    10 - 3 Terms and definitions
    12 - 4 Constructional requirements for all electrical apparatus
    12 - 4.1 General
    12 - 4.2 Electrical connections
    15 - 4.3 Clearances
    20 - 4.4 Creepage distances
    21 - 4.5 Solid electrical insulating materials
    21 - 4.6 Windings
    22 - 4.7 Temperature limitations
    23 - 4.8 Wiring internal to apparatus
    23 - 4.9 Degrees of protection provided by enclosures
    24 - 4.10 Fasteners
    24 - 5 Supplementary requirements for specific electrical apparatus
    24 - 5.1 General.
    24 - 5.2 Rotating electrical machines
    30 - 5.3 Luminaires
    34 - 5.4 Caplights and handlights
    34 - 5.5 Measuring instruments and instrument transformers
    35 - 5.6 Transformers other than instrument transformers
    35 - 5.7 Batteries
    40 - 5.8 General purpose connection and junction boxes
    40 - 5.9 Resistance heaters (other than trace heaters)
    42 - 5.10 Other electrical apparatus
    42 - 6 Type verifications and type tests
    42 - 6.1 Dielectric strength
    43 - 6.2 Rotating electrical machines
    44 - 6.3 Luminaires designed for mains supply
    47 - 6.4 Measuring instruments and instrument transformers
    47 - 6.5 Transformers other than instrument transformers
    47 - 6.6 Secondary batteries
    50 - 6.7 General purpose connection and junction boxes
    50 - 6.8 Resistance heating devices and resistance heating units
    51 - 6.9 Terminal insulating material tests.
    52 - 7 Routine verifications and routine tests
    52 - 7.1 Dielectric tests
    52 - 7.2 Dielectric tests for batteries
    53 - 7.3 Inter-turn overvoltage tests
    53 - 8 Ex component certificates
    53 - 8.1 General
    53 - 8.2 Terminals
    53 - 9 Marking and instructions
    53 - 9.1 General marking
    54 - 9.2 Instructions for use
    55 - 9.3 Warning markings
    57 - Annex A (normative) Cage motors xx; Methods of test and of calculation
    59 - Annex B (normative) Type tests for specific forms of resistance heating devices or resistance heating units (other than trace heater)
    61 - Annex C (informative) Cage motors – Thermal protection in service
    62 - Annex D (informative) Resistance heating devices and units – Additional electrical protection
    63 - Annex E (informative) Combinations of terminals and conductors for general purpose connection and junction boxes
    65 - Annex F (informative) Dimensions of copper conductors
    66 - Annex G (informative) Potential stator winding discharge risk assessment – Ignition risk factors
    67 - Annex H (normative) Test procedure for T8, T10 and T12 lamps
    72 - Annex I (informative) Introduction of an alternative risk assessment method encompassing ‘Equipment Protection Levels’ for Ex Equipmen
    76 - Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies the requirements for the design, construction, testing and marking of electrical apparatus with type of protection increased safety 'e' intended for use in explosive gas atmospheres.

    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 60079.7:2002.Second edition 2006. Originated as AS/NZS 60079.7:2002. Second edition 2006.

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

    AS 60947.7.1-2004 Low-voltage switchgear and controlgear - Ancillary equipment - Terminal blocks for copper conductors
    AS 60068.2.61-2003 Environmental testing Tests - Test Z/ABDM: Climate sequence
    AS/NZS 60079.10:2004 Electrical apparatus for explosive gas atmospheres Classification of hazardous areas (IEC 60079-10:2002 MOD)
    AS 2325-1993 Tungsten filament lamps for general service - Performance requirements
    AS 60068.2.7-2003 Environmental testing Tests - Test Ga and guidance: Acceleration, steady state
    AS 60068.2.68-2003 Environmental testing Tests - Test L: Dust and sand
    AS/NZS 62086.1:2002 Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating General and testing requirements
    AS 60068.2.6-2003 Environmental testing Tests - Test Fc: Vibration (sinusoidal) (Reconfirmed 2018)
    AS/NZS 60079.11:2000 Electrical apparatus for explosive gas atmospheres Intrinsic safety 'i'
    AS 60068.2.78-2003 Environmental testing Tests - Test Cab: Damp heat, steady state (Reconfirmed 2018)
    AS/NZS 60079.1:2005 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd'
    AS/NZS 60079.1.1:2002 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd' - Method of test for ascertainment of maximum experimental safe gap
    AS 60068.2.60-2003 Environmental testing Tests - Test Ke: Flowing mixed gas corrosion test
    AS 60068.2.64-2003 Environmental testing Tests - Test Fh: Vibration, broad-band random (digital control) and guidance
    AS 60068.2.74-2003 Environmental testing Tests - Test Xc: Fluid contamination
    AS 60068.2.75-2003 Environmental testing Tests - Test Eh: Hammer tests
    AS 60068.2.66-2003 Environmental testing Tests - Test Cx: Damp heat, steady state (unsaturated pressurized vapour)
    AS/NZS 60079.12:2000 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
    AS 1359.101-1997 Rotating electrical machines - General requirements - Rating and performance
    AS 60947.1-2004 Low-voltage switchgear and controlgear - General rules
    AS 60068.2.67-2003 Environmental testing Tests - Test Cy: Damp heat, steady state accelerated test primarily intended for components
    AS/NZS 60079.15:2006 Electrical apparatus for explosive gas atmospheres Construction, test and marking of type of protection, n electrical apparatus
    AS/NZS 60079.18:2005 Electrical apparatus for explosive gas atmospheres Construction, test and marking of type of protection encapsulation m electrical apparatus
    AS 60068.2.65-2003 Environmental testing Tests - Test Fg: Vibration, acoustically induced
    AS 60068.2.69-2004 Environmental testing Tests - Test Te: Soldering - Solderability testing of electronic components for surface mount technology by the wetting balance method
    AS 60947.7.2-2004 Low-voltage switchgear and controlgear - Ancillary equipment - Protective conductor terminal blocks for copper conductors
    AS 1199.1-2003 Sampling procedures for inspection by attributes Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (Reconfirmed 2016)
    AS 60068.2.70-2003 Environmental testing Tests - Test Xb: Abrasion of markings and letterings caused by rubbing of fingers and hands
    AS/NZS 60079.0:2005 Electrical apparatus for explosive gas atmospheres General requirements
    AS 60068.2.42-2004 Environmental testing Tests - Test Kc: Sulphur dioxide test for contacts and connections (Reconfirmed 2018)
    AS 60529-2004 Degrees of protection provided by enclosures (IP Code) (Reconfirmed 2018)
    AS 60068.2.77-2004 Environmental testing Tests - Test 77: Body strength and impact shock

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

    AS 4647-2011 Diaphragm gas meters
    AS/NZS 60079.17:2009 Explosive atmospheres Electrical installations inspection and maintenance (IEC 60079-17, Ed.4.0 (2007) MOD)
    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 3800:2012 Electrical equipment for explosive atmospheres - Repair and overhaul
    AS/NZS 1300:2009 Electrical equipment for mines and quarries - Bolted explosion-protected three-phase cable coupling devices (Reconfirmed 2020)
    AS/NZS 60079.11:2006 Explosive atmospheres Equipment protection by intrinsic safety 'i'
    AS/NZS 60079.0:2008 Explosive atmospheres Equipment - General requirements
    AS/NZS 60079.33:2012 Explosive atmospheres Equipment protection by special protection 's'
    AS/NZS 60079.6:2007 Explosive atmospheres Equipment protection by oil immersion 'o'
    AS/NZS 3004.2:2008 Electrical installations - Marinas and recreational boats Recreational boats installations
    AS/NZS 60079.0:2012 Explosive atmospheres Equipment - General requirements
    AS/NZS 2290.1:2014 Electrical equipment for coal mines - Introduction, inspection and maintenance For hazardous areas
    HB 239:2011 Guidance on the repair and overhaul of electrical equipment for explosive atmospheres
    AS/NZS 60079.1:2007 Explosive atmospheres Equipment protection by flameproof enclosures 'd'
    AS/NZS 60079.30.2:2007 Explosive atmospheres Electrical resistance trace heating - Application guide for design, installation and maintenance (IEC 60079-30-2, Ed. 1.0 (2007) MOD)
    AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
    HB 242-2007 High voltage mining equipment for use underground (Reconfirmed 2019)
    AS/NZS 60079.31:2011 Explosive atmospheres Equipment dust ignition protection by enclosure 't'
    AS/NZS 5026:2012 The storage and handling of Class 4 dangerous goods
    HB 13-2007 Electrical equipment for hazardous areas
    AS/NZS 60079.30.1:2007 Explosive atmospheres Electrical resistance trace heating - General and testing requirements
    AS ISO 21789:2014 Gas turbine applications - Safety
    AS/NZS 4871.3:2010 Electrical equipment for mines and quarries Substations
    AS/NZS 1299:2009 Electrical equipment for mines and quarries - Explosion-protected three-phase restrained plugs and receptacles for working voltages up to and including 3.3 kV (Reconfirmed 2020)
    AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
    AS 60034.12-2009 Rotating electrical machines Starting performance of single-speed three-phase cage induction motors
    AS/NZS 60079.28:2007 Explosive atmospheres Protection of equipment and transmission systems using optical radiation
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