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  • AS/NZS 3800:2005

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    Electrical equipment for explosive atmospheres - Repair and overhaul

    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    Superseded date:  30-06-2017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:  01-01-2005

    Publisher:  Standards Australia

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

    1 - AS/NZS 3800:2005 ELECTRICAL EQUIPMENT FOR EXPLOSIVE ATMOSPHERES-REPAIR AND OVERHAUL
    4 - PREFACE
    6 - CONTENTS
    9 - FOREWORD
    10 - SECTION 1 SCOPE AND GENERAL
    10 - 1.1 SCOPE
    10 - 1.2 APPLICATION
    11 - 1.3 REFERENCED DOCUMENTS
    12 - 1.4 DEFINITIONS
    12 - 1.4.1 Approved
    12 - 1.4.2 Australian Qualification Framework (AQF)
    12 - 1.4.3 Certification
    12 - 1.4.4 Competent person
    12 - 1.4.5 Encapsulation (Ex ‚m™)
    13 - 1.4.6 Enclosure, dust-excluding ignition-proof (DIP enclosure)
    13 - 1.4.7 Equipment
    13 - 1.4.8 Explosion-protection
    13 - 1.4.9 Explosive gas atmosphere
    13 - 1.4.10 Ex Testing Laboratory (ExTL)
    13 - 1.4.11 Flameproof enclosure (Ex ‚d™)
    13 - 1.4.12 Flameproof joint
    14 - 1.4.13 Gap (diametral clearance)
    14 - 1.4.14 Hazardous area
    14 - 1.4.15 Increased safety protection (Ex ‚e™)
    14 - 1.4.16 Intrinsically safe electrical equipment (Ex ‚i™)
    14 - 1.4.17 Length of flamepath (width of joint)
    14 - 1.4.18 Maintenance
    14 - 1.4.19 Maximum surface temperature
    14 - 1.4.20 Modification
    15 - 1.4.21 Non-sparking protection (Ex ‚n™)
    15 - 1.4.22 Operating rod (spindle)
    15 - 1.4.23 Overhaul
    15 - 1.4.24 Overhaul and examination report
    15 - 1.4.25 Pressure piling
    15 - 1.4.26 Pressurization (Ex ‚p™)
    15 - 1.4.27 Recognized service facility
    15 - 1.4.28 Repair
    15 - 1.4.29 Replacement
    15 - 1.4.30 Sand-filled enclosure (Ex ‚q™)
    15 - 1.4.31 Special protection (Ex ‚s™)
    16 - 1.4.32 Temperature classification
    16 - 1.4.33 Verification dossier
    16 - 1.5 DOCUMENTATION/INFORMATION
    16 - 1.5.1 General
    16 - 1.5.2 Where certification documentation is not available but sufficient information is available to identify the type of...
    17 - 1.5.3 Insufficient information
    17 - 1.5.4 Traceability/marking
    17 - 1.5.5 Variation from certification documents
    18 - 1.5.6 Acceptance criteria
    18 - 1.6 MIXED EXPLOSION-PROTECTION TECHNIQUES
    18 - 1.7 GROUPING OF EXPLOSION-PROTECTED ELECTRICAL EQUIPMENT
    18 - 1.7.1 Group designation
    18 - 1.7.2 Group II subdivision
    18 - 1.8 ROLE OF COMPETENT PERSONS
    19 - SECTION 2 FLAMEPROOF ENCLOSURES (Ex 'd')
    19 - 2.1 GENERAL
    19 - 2.1.1 Flameproof enclosures
    19 - 2.1.2 Use of greases
    19 - 2.1.3 Fixing bolts, studs and nuts
    19 - 2.1.4 Attachments
    19 - 2.1.5 Replacement
    19 - 2.1.6 Machining
    19 - 2.1.7 Joint surfaces
    19 - 2.1.8 Mixed protection techniques
    19 - 2.2 CERTIFICATION
    19 - 2.2.1 General
    20 - 2.2.2 Flameproof tests
    20 - 2.3 CATEGORIES OF WORK
    20 - 2.3.1 General
    20 - 2.3.2 Overhaul-No repair
    20 - 2.3.3 Overhaul-Repair
    20 - 2.3.4 Modifications
    22 - 2.4 OVER-PRESSURE TESTING
    22 - 2.4.1 General
    23 - 2.4.2 Water-cooled motors and enclosures
    23 - 2.4.3 Enclosures with screwed covers
    23 - 2.5 OVERHAUL AND REPAIR PROCEDURES
    23 - 2.5.1 Overhaul of Ex ‚d™-Flameproof motors
    24 - 2.5.2 Overhaul of Ex™d™-Flameproof enclosures
    26 - 2.5.3 Overhaul of electrical equipment installed within Ex ‚d™ enclosures
    29 - SECTION 3 INTRINSIC SAFETY(Ex 'i')
    29 - 3.1 GENERAL
    29 - 3.2 EQUIPMENT
    29 - 3.2.1 Enclosures
    29 - 3.2.2 Ingress protection
    29 - 3.2.3 Plugs and sockets
    29 - 3.2.4 Terminations
    30 - 3.2.5 Fuses
    30 - 3.2.6 Printed circuit boards
    30 - 3.2.7 Optocouplers
    30 - 3.2.8 Piezo-electric devices
    30 - 3.2.9 Multi-core cables
    30 - 3.2.10 Fibre optic cable
    30 - 3.2.11 Electrical parts
    30 - 3.2.12 Batteries
    30 - 3.2.13 Transformers
    31 - 3.2.14 Encapsulated parts
    31 - 3.2.15 Non-electrical parts
    31 - 3.3 MODIFICATIONS
    31 - 3.4 OVERHAUL AND REPAIR PROCEDURES
    31 - 3.4.1 General procedures
    32 - 3.4.2 Specific procedures
    34 - SECTION 4 INCREASED SAFETY (Ex 'e')
    34 - 4.1 GENERAL
    34 - 4.2 EQUIPMENT
    34 - 4.2.1 Enclosures
    34 - 4.2.2 Ingress protection
    34 - 4.2.3 Plugs and sockets
    34 - 4.2.4 Terminations
    35 - 4.2.5 Internal connections
    35 - 4.2.6 Electrical parts
    35 - 4.2.7 Batteries
    35 - 4.2.8 Transformers
    35 - 4.2.9 Light transmitting parts
    35 - 4.2.10 Lamps
    35 - 4.2.11 Lampholders
    35 - 4.2.12 Ballasts and capacitors
    35 - 4.2.13 Encapsulated parts
    35 - 4.2.14 Insulation
    36 - 4.2.15 Winding connections
    36 - 4.3 MODIFICATIONS
    36 - 4.3.1 Modifications permitted by certification
    36 - 4.3.2 Modifications not permitted within certification
    36 - 4.4 CERTIFICATION
    36 - 4.5 OVERHAUL AND REPAIR PROCEDURES
    36 - 4.5.1 Motor windings
    38 - 4.5.2 Overhaul of Ex ‚e™-Increased safety motors
    39 - 4.5.3 Overhaul of Ex ‚e™-Increased safety enclosures
    40 - 4.5.4 Overhaul of electrical equipment installed within Ex ‚e™ enclosures
    42 - SECTION 5 PRESSURIZED ENCLOSURES (Ex ‚p™)
    42 - 5.1 GENERAL
    42 - 5.2 PRESSURIZATION
    42 - 5.3 ENCLOSURES
    42 - 5.3.1 Materials
    42 - 5.3.2 Joints in the enclosure
    42 - 5.3.3 Gaskets and seals
    42 - 5.3.4 Fasteners
    43 - 5.3.5 Cable entries
    43 - 5.4 TEMPERATURE RATING
    43 - 5.4.1 Lighting fittings
    43 - 5.4.2 Heat-generating equipment
    43 - 5.5 OVERHAUL AND REPAIR PROCEDURES
    45 - SECTION 6 NON-SPARKING (Ex 'n')
    45 - 6.1 GENERAL
    45 - 6.2 EQUIPMENT
    45 - 6.2.1 Enclosures
    45 - 6.2.2 Ingress protection
    45 - 6.2.3 Plugs and sockets
    46 - 6.2.4 Terminations
    46 - 6.2.5 Internal connections
    46 - 6.2.6 Electrical parts
    46 - 6.2.7 Batteries
    46 - 6.2.8 Transformers
    46 - 6.2.9 Light-transmitting parts
    46 - 6.2.10 Lamps
    46 - 6.2.11 Lampholders
    46 - 6.2.12 Ballasts and capacitors
    47 - 6.2.13 Encapsulated parts
    47 - 6.2.14 Insulation
    47 - 6.2.15 Winding connections
    47 - 6.3 MODIFICATIONS
    47 - 6.3.1 Modifications permitted by certification
    47 - 6.3.2 Modifications not permitted within certification
    47 - 6.4 CERTIFICATION
    48 - 6.5 OVERHAUL AND REPAIR PROCEDURES
    48 - 6.5.1 Motor windings
    49 - 6.5.2 Overhaul of Ex ‚n™-Non-sparking motors
    50 - 6.5.3 Overhaul of Ex ‚n™-Non-sparking enclosures
    51 - 6.5.4 Overhaul of electrical equipment installed within Ex ‚n™ non-sparking enclosures
    53 - SECTION 7 ENCAPSULATION (Ex 'm')
    53 - 7.1 PRINCIPLES OF ENCAPSULATION (Ex ‚m™)
    53 - 7.2 APPLICATION
    53 - 7.3 REPAIR AND OVERHAUL
    53 - 7.3.1 Associated protection techniques
    53 - 7.3.2 Removal of encapsulation material
    54 - 7.3.3 Replacement of components
    54 - 7.3.4 Preparation for replacing encapsulation
    54 - 7.3.5 Encapsulating material
    54 - 7.3.6 Pouring encapsulation material
    55 - 7.3.7 Visual inspection
    55 - 7.4 RECLAMATION
    55 - 7.5 MODIFICATIONS
    56 - SECTION 8 DUST EXCLUDING IGNITION-PROOF (DIP)
    56 - 8.1 GENERAL
    56 - 8.2 EQUIPMENT
    56 - 8.2.1 Enclosures
    56 - 8.2.2 Cable and conduit entries
    56 - 8.2.3 Incomplete documentation/information
    57 - 8.3 AUXILIARY EQUIPMENT
    57 - 8.3.1 Dust-excluding brake units
    57 - 8.3.2 Auxiliary devices
    57 - 8.3.3 Light-transmitting parts
    57 - 8.3.4 Encapsulated parts
    57 - 8.3.5 Batteries
    57 - 8.3.6 Lamps
    57 - 8.3.7 Lampholders
    57 - 8.3.8 Ballasts
    57 - 8.3.9 Interlocks
    57 - 8.4 MECHANICAL REPAIRS
    57 - 8.4.1 Damage to components
    57 - 8.4.2 Joints
    58 - 8.4.3 Spigoted joints
    58 - 8.4.4 Shafts and housings
    58 - 8.4.5 Boots
    58 - 8.4.6 Journals
    58 - 8.4.7 Damaged stator cores
    58 - 8.5 MODIFICATIONS
    58 - 8.6 CERTIFICATION
    58 - 8.7 OVERHAUL AND REPAIR PROCEDURES
    58 - 8.7.1 Motor windings
    59 - 8.7.2 Overhaul of DIP motors
    60 - 8.7.3 Overhaul of DIP enclosures
    60 - 8.7.4 Overhaul of DIP electrical equipment installed within DIP enclosures
    62 - SECTION 9 USER INFORMATION
    62 - 9.1 SCOPE
    62 - 9.2 GENERAL REPAIR/OVERHAUL INFORMATION
    62 - 9.2.1 General
    62 - 9.2.2 Certification
    62 - 9.2.3 Overhaul and examination reports
    62 - 9.2.4 Overhaul frequency
    62 - 9.3 SPECIFIC INFORMATION
    62 - 9.3.1 General
    62 - 9.3.2 Flameproof
    63 - 9.4 DECIDING ON REPAIR OR REPLACEMENT
    64 - APPENDIX A - REQUIREMENTS FOR REPAIR AND OVERHAUL SERVICE FACILITIES
    64 - A1 SCOPE
    64 - A2 REQUIREMENTS FOR SERVICE FACILITIES
    64 - A2.1 Type of service facility
    64 - A2.2 Personnel
    64 - A2.3 Facilities
    66 - APPENDIX B - PRINCIPLES OF FLAMEPROOF ENCLOSURES (Ex ‚d™)
    66 - B1 INTRODUCTION
    66 - B2 CHARACTERISTICS OF FLAMEPROOF ENCLOSURES
    67 - B3 OVERHAUL OF FLAMEPROOF ENCLOSURES
    67 - B3.1 General
    67 - B3.2 Flameproof motors
    67 - B3.3 Maximum surface temperature
    67 - B3.4 Fixing bolts, studs and nuts
    68 - B3.5 Breathing devices
    69 - APPENDIX C - PRINCIPLES OF INCREASED SAFETY (Ex ‚e™)
    69 - C1 INTRODUCTION
    69 - C2 ARCING OR SPARKING PARTS
    69 - C3 INSULATION
    69 - C4 TEMPERATURE
    70 - C5 TERMINALS AND TERMINATIONS
    71 - APPENDIX D - IDENTIFICATION OF REPAIRED EQUIPMENT
    71 - D1 TRACEABILITY
    71 - D1.1 General
    71 - D1.2 Minimum marking
    71 - D1.3 Form of marking
    71 - D1.4 Subsequent overhauls
    73 - APPENDIX E - TESTS OF JOINT SURFACES USING STRAIGHTEDGES
    74 - APPENDIX F - CORROSION OR SURFACE INDENTATION TOLERANCES
    76 - APPENDIX G - OVER-PRESSURE TEST
    76 - G1 INTRODUCTION
    76 - G2 TEST PROCEDURE
    77 - G3 REPORTING OF RESULTS
    77 - G4 INTERPRETATION OF RESULTS
    79 - APPENDIX H - EXAMPLES OF OVER-PRESSURE TEST RIGS
    80 - APPENDIX I - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR FLAMEPROOF MOTORS (Ex ‚d™)
    82 - APPENDIX J - CHECK OF CIRCULAR FLANGES, SPIGOTS AND HOLES
    82 - J1 SCOPE
    84 - APPENDIX K - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR FLAMEPROOF ENCLOSURE (Ex ‚d™)
    85 - APPENDIX L - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR ELECTRICAL EQUIPMENT INSTALLED WITHIN FLAMEPROOF...
    87 - APPENDIX M - PRINCIPLES OF INTRINSIC SAFETY (Ex ‚i™)
    87 - M1 INTRODUCTION
    87 - M2 CHARACTERISTICS OF INTRINSIC SAFETY
    87 - M2.1 General
    88 - M2.2 Groups
    88 - M2.3 Categories
    88 - M2.4 Intrinsically safe electrical equipment and systems
    88 - M2.5 Safety barriers
    89 - M2.6 Testing/assessment
    90 - M3 OVERHAUL OF INTRINSIC SAFETY EQUIPMENT
    92 - APPENDIX N - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR INTRINSICALLY SAFE EQUIPMENT (Ex ‚i™)
    93 - APPENDIX O - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR INCREASED SAFETY MOTORS (Ex ‚e™)
    95 - APPENDIX P - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR INCREASED SAFETY ENCLOSURES (Ex ‚e™)
    96 - APPENDIX Q - TYPICAL OVERHAUL AND EXAMINATION REPORT FOR ELECTRICAL EQUIPMENT INSTALLED WITHIN INCREASED SAFETY ENCLOSURES
    97 - APPENDIX R - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR PRESSURIZED ENCLOSURES INCLUDING PRESSURIZED...
    98 - APPENDIX S - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR NON-SPARKING MOTORS (Ex ‚n™)
    100 - APPENDIX T - A TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR NON-SPARKING ENCLOSURES (Ex ‚n™)
    101 - APPENDIX U - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR ELECTRICAL EQUIPMENT INSTALLED WITHIN NON-SPARKING...
    102 - APPENDIX V - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR ENCAPSULATED EQUIPMENT (Ex ‚m™)
    103 - APPENDIX W - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR DIP MOTORS
    105 - APPENDIX X - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR DIP ENCLOSURES
    106 - APPENDIX Y - TYPICAL REPAIR/OVERHAUL AND EXAMINATION REPORT FOR ELECTRICAL EQUIPMENT INSTALLED WITHIN DIP ENCLOSURES
    107 - APPENDIX Z - GUIDANCE FOR MEASUREMENTS IN FLAMEPROOF EQUIPMENT, WHEN REPAIRED/OVERHAULED
    107 - Z1 GENERAL
    107 - Z2 GUIDANCE FOR TOLERANCES
    107 - Z2.1 Shafts with rolling-element bearings
    108 - Z2.2 Flanged joints

    Abstract - (Show below) - (Hide below)

    Sets out requirements for repair and overhaul of electrical equipment used in hazardous areas, which are defined in AS/NZS 60079.10 for gases and AS/NZS 61241.10 for dusts. It covers equipment having a group designation of Group I for coal mining and Group II for all other industries where flammable gases and vapours may be present. It covers all types of explosion-protection techniques and specifies requirements for repair and overhaul service facilities.

    Scope - (Show below) - (Hide below)

    This Standard sets out requirements for the repair and overhaul of electrical equipment used in hazardous areas; these hazardous areas are defined in AS/NZS60079.10 for gases and in AS/NZS61241.10 for dusts. The Standard covers equipment having a group designation of GroupI for coal mining and GroupII for all other industries where flammable gases and vapours may be present. It also includes equipment used in the presence of combustible dusts. This Standard does not cover maintenance of explosion-protected electrical equipment; however where maintenance affects the explosion-protection properties of the equipment, the requirements of this Standard for assessment, procedure and recording of data shall be met. This Standard details the methods of overhaul, examination and the testing required to ensure safety and compliance with the relevant equipment Standards for the different types of explosion-protection. It covers the several types of explosion-protection techniques currently in use and specifies requirements for repair and overhaul service facilities.This Standard also deals with modifications where they form part of an overhaul or repair process.In all cases, the basic requirement for repair and overhaul is that such work comply with the relevant Standard for each type of explosion-protection. These Standards may be supplemented by specific requirements issued by a regulatory authority. Users of this Standard should check on the current status of such regulations and the conditions applying within the certification documents.Guidelines are also laid down for practices to be adopted by the recognized service facility to carry out work effectively, to the satisfaction of both the user and the regulatory authorities.Attention is drawn to the various occupational health and safety Acts, and regulations under these Acts.The requirements may vary between the various Australian States as well as New Zealand but are nonetheless binding on equipment suppliers and users.

    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 in Australia as AS 2290.2-1979.Second edition 1985.Third edition 1989.Fourth edition 1993.First published in New Zealand as NZS 6112:1989.AS 2290.2-1993 and NZS 6112:1989 jointly revised, amalgamated and redesignated AS/NZS 3800:1997.Second edition 2005. Originated in Australia as AS 2290.2-1979. Final Australian edition AS 2290.2-1993. Originated in New Zealand as NZS 6112:1989. AS 2290.2-1993 and NZS 6112:1989 jointly revised, amalgamated and designated AS/NZS 3800:1997. Second edition 2005.

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

    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 2027-2002 Wear-resistant white cast iron
    AS/NZS 4761.2:2003 Competencies for working with electrical equipment for hazardous areas (EEHA) Guide for training and assessment
    AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
    AS/NZS ISO 9001:2000 Quality management systems - Requirements
    AS/NZS 4761.4(INT):2000 Competencies for working with electrical equipment for hazardous areas (EEHA) Assessing competency
    AS 2236-1994 Electrical equipment for explosive atmospheres - Dust-excluding ignition-proof (DIP) enclosure
    AS 60529-2004 Degrees of protection provided by enclosures (IP Code) (Reconfirmed 2018)
    AS 2380.1-1989 Electrical equipment for explosive atmospheres - Explosion-protection techniques General requirements (Reconfirmed 2013)
    AS/NZS 2381.1:1999 Electrical equipment for explosive atmospheres - Selection, installation and maintenance General requirements
    AS 2381.7-1989 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Intrinsic safety i
    AS 1359.101-1997 Rotating electrical machines - General requirements - Rating and performance
    AS 4307.1-1995 Rotating electrical machines - Repair and overhaul - Low voltage machines
    AS 2431-1981 Electrical equipment for explosive atmospheres - Encapsulated apparatus - Type of protection m
    AS 2380.6-1988 Electrical equipment for explosive atmospheres - Explosion-protection techniques - Increased safety
    AS 1831-2002 Ductile cast iron
    AS/NZS 4761.3(INT):2000 Competencies for working with electrical equipment for hazardous areas (EEHA) Modules supporting training
    AS 2380.9-1991 Electrical equipment for explosive atmospheres - Explosion-protection techniques Type of protection n - Non-sparking
    AS/NZS 4761.1:2003 Competencies for working with electrical equipment for hazardous areas (EEHA) Competency Standards
    AS 1833-2002 Austenitic cast iron
    AS/NZS 4871.3:2002 Electrical equipment for coal mines, for use underground Substations
    AS/NZS 60079.1:2002 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd'
    AS/NZS 60079.7:2002 Electrical apparatus for explosive gas atmospheres Increased safety 'e'
    AS 2380.7-1987 Electrical equipment for explosive atmospheres - Explosion-protection techniques - Intrinsic safety i
    AS 1830-2002 Grey cast iron
    AS 1832-2002 Malleable cast iron
    AS 2380.2-1991 Electrical equipment for explosive atmospheres - Explosion-protection techniques Flameproof enclosure d
    AS 2381.6-1993 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Increased safety e
    AS/NZS 60079.0:2000 Electrical apparatus for explosive gas atmospheres General requirements
    AS 1740-1990 Electrical equipment for coal mines - Transformer substations for use underground
    AS/NZS 60079.11:2000 Electrical apparatus for explosive gas atmospheres Intrinsic safety 'i'
    AS 2380.4-1994 Electrical equipment for explosive atmospheres - Explosion-protection techniques Pressurized rooms or pressurized enclosures

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

    MP 87.2:2007 Australian/New Zealand Certification Scheme for explosion-protected electrical equipment (ANZEx Scheme) Recognized Service Facilities Program - Basic rules and procedures
    AS/NZS 60079.17:2009 Explosive atmospheres Electrical installations inspection and maintenance (IEC 60079-17, Ed.4.0 (2007) MOD)
    AS/NZS 4871.1:2010 Electrical equipment for mines and quarries General requirements
    AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
    HB 239:2011 Guidance on the repair and overhaul of electrical equipment for explosive atmospheres
    AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
    HB 13-2007 Electrical equipment for hazardous areas
    AS/NZS 2381.2:2006 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Flameproof enclosure d
    AS/NZS 1747:2003 Reeling, trailing and feeder cables used for mining - Repair, testing and fitting of accessories (Reconfirmed 2020)
    AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
    AS/NZS 3584.3:2012 Diesel engine systems for underground coal mines Maintenance
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