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AS
AS/NZS 60079.7:2006

AS/NZS 60079.7:2006

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

29-05-2024

Superseded by

AS/NZS 60079.7:2016

Published date

27-12-2006

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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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

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.

Committee
EL-014
DocumentType
Standard
ISBN
0 7337 7943 3
Pages
70
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Standards Relationship
IEC 60079-7:2006 Identical

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

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

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' (Reconfirmed 2024)
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 (Reconfirmed 2024)
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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