• AS/NZS 4871.1:2002

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Electrical equipment for coal mines, for use underground General requirements

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

    Superseded date:  26-06-2021

    Language(s):  English

    Published date:  02-03-2002

    Publisher:  Standards Australia

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

    1 - AS/NZS 4871.1:2002 ELECTRICAL EQUIPMENT FOR COAL MINES, FOR USE UNDERGROUND - GENERAL REQUIREMENTS
    4 - PREFACE
    5 - CONTENTS
    6 - SECTION 1 SCOPE AND GENERAL
    6 - 1.1 SCOPE
    6 - 1.2 APPLICATION
    6 - 1.3 SERVICE CONDITIONS
    7 - 1.4 REFERENCED DOCUMENTS
    8 - 1.5 DEFINITIONS
    8 - 1.5.1 Access cover
    8 - 1.5.2 Adaptor
    8 - 1.5.3 Approved
    8 - 1.5.4 Area, hazardous
    8 - 1.5.5 Area, non-hazardous (safe)
    8 - 1.5.6 Automatic circuit opening device
    8 - 1.5.7 Automatic control
    8 - 1.5.8 Cable attachments
    9 - 1.5.9 Cable entry
    9 - 1.5.10 Certifying authority
    9 - 1.5.11 Circuit-breaker
    9 - 1.5.12 Clearance
    9 - 1.5.13 Conduit entry
    9 - 1.5.14 Connection facilities
    9 - 1.5.15 Contactor
    9 - 1.5.16 Cover
    9 - 1.5.17 Creepage distance
    9 - 1.5.18 Dead front
    9 - 1.5.19 Disconnector (Isolating switch)
    9 - 1.5.20 Distribution, control box and auxiliary equipment
    9 - 1.5.21 Earth-continuity protection
    9 - 1.5.22 Earth-fault current limitation
    9 - 1.5.23 Earth-fault lockout protection
    10 - 1.5.24 Earth-fault protection
    10 - 1.5.25 Electrical equipment
    10 - 1.5.26 Electrical equipment for explosive gas atmospheres
    10 - 1.5.27 Enclosure
    10 - 1.5.28 Ex component
    10 - 1.5.29 Explosion-protected
    10 - 1.5.30 Explosion-protection
    10 - 1.5.31 Explosive atmosphere
    10 - 1.5.32 Fail-to-safety (fail-safe)
    10 - 1.5.33 Fixed equipment
    10 - 1.5.34 Flameproof enclosure
    11 - 1.5.35 Flame resistant
    11 - 1.5.36 Fuse, HRC
    11 - 1.5.37 Ignition temperature
    11 - 1.5.38 Interlocking device
    11 - 1.5.39 Intrinsically safe circuit
    11 - 1.5.40 Inverse time-delay overcurrent release
    11 - 1.5.41 Local control
    11 - 1.5.42 Maximum surface temperature
    11 - 1.5.43 Mobile machine
    11 - 1.5.44 Overcurrent and short-circuit protection
    11 - 1.5.45 Overload protection
    11 - 1.5.46 Pilot core
    12 - 1.5.47 Portable equipment
    12 - 1.5.48 Prospective peak current
    12 - 1.5.49 Rated conditional short-circuit current
    12 - 1.5.50 Rated peak withstand current
    12 - 1.5.51 Rated prospective short-circuit current
    12 - 1.5.52 Rated short-time withstand current
    12 - 1.5.53 Rating
    12 - 1.5.54 Regulatory authority
    12 - 1.5.55 Relevant Standards
    12 - 1.5.56 Remote control
    12 - 1.5.57 Restrained plug and receptacle
    12 - 1.5.58 Sensitive earth-fault protection
    12 - 1.5.59 Sequence interlocking
    12 - 1.5.60 Shunt release
    13 - 1.5.61 Switching device
    13 - 1.5.62 Temperature classification
    13 - 1.5.63 Terminal compartment
    13 - 1.5.64 Testing station
    13 - 1.5.65 Transportable equipment
    13 - 1.5.66 Transportable substation
    13 - 1.5.67 Undervoltage release
    13 - 1.5.68 Voltage
    14 - SECTION 2 COMMON REQUIREMENTS
    14 - 2.1 GENERAL
    14 - 2.1.1 Safety appraisal
    14 - 2.1.2 Supply system
    14 - 2.1.3 System fault levels
    14 - 2.1.4 Equipment selection
    14 - 2.1.5 Temperature rating
    15 - 2.1.6 Assembly
    15 - 2.1.7 Construction
    15 - 2.2 ENCLOSURE REQUIREMENTS
    15 - 2.2.1 General
    15 - 2.2.2 Internal segregation
    15 - 2.2.3 Access
    16 - 2.2.4 Withdrawable and plug-in equipment
    16 - 2.2.5 Unused openings and threaded entries
    16 - 2.2.6 Electric shock interlocking
    17 - 2.3 COMPONENTS REQUIREMENTS
    17 - 2.3.1 General
    17 - 2.3.2 Switching devices
    19 - 2.3.3 Transformers
    20 - 2.3.4 Measuring instruments
    20 - 2.3.5 Terminals
    20 - 2.3.6 Cable attachments
    20 - 2.3.7 Motors
    20 - 2.3.8 Resistors
    21 - 2.3.9 Electronic based systems
    21 - 2.4 CONDUCTORS AND CABLING REQUIREMENTS
    21 - 2.4.1 Conductor insulation
    21 - 2.4.2 Earthing conductors
    22 - 2.4.3 Neutral earthing conductor
    22 - 2.4.4 Power conductors
    22 - 2.4.5 Control, protection and auxiliary conductors
    22 - 2.4.6 Intrinsically safe conductors
    22 - 2.4.7 Internal wiring
    23 - 2.4.8 Cables
    23 - 2.5 CONNECTION FACILITIES FOR EARTHING OR BONDING CONDUCTORS
    23 - 2.5.1 General
    23 - 2.5.2 Circuits containing voltages below 50V to earth
    24 - 2.5.3 Provision for earthing circuits above 1200V
    24 - 2.6 PROTECTION REQUIREMENTS
    24 - 2.6.1 General
    24 - 2.6.2 Protection devices
    27 - 2.6.3 Transformer protection
    27 - 2.6.4 Motor protection
    27 - 2.6.5 Control protection or auxiliary circuits
    27 - 2.7 REMOTE CONTROL
    28 - SECTION 3 SPECIFIC LOCATION REQUIREMENTS
    28 - 3.1 GENERAL
    28 - 3.2 HAZARDOUS AREAS
    28 - 3.2.1 Electric arcing interlocking
    29 - 3.2.2 Enclosures
    30 - 3.2.3 Batteries
    30 - 3.2.4 Cable hose
    30 - 3.2.5 Machine cables
    31 - 3.2.6 Intrinsically safe plugs and sockets
    33 - SECTION 4 TESTS
    33 - 4.1 TYPE TESTS
    33 - 4.1.1 Verification of compliance
    33 - 4.1.2 Certificates of type tests
    33 - 4.1.3 Exemption from re-test
    33 - 4.1.4 Explosion-protection tests
    33 - 4.1.5 Verification of the manufacturer’s assigned fault rating
    34 - 4.1.6 Test arrangement
    34 - 4.1.7 Short-circuit protective device incorporated
    34 - 4.1.8 Short-circuit protective device not incorporated
    34 - 4.1.9 Rated short-time withstand current test
    35 - 4.1.10 Relationship between peak and r.m.s. values for short-circuit current
    35 - 4.1.11 Test conditions and criteria
    35 - 4.1.12 Power circuit test method and application
    36 - 4.1.13 Criteria of acceptance
    37 - 4.1.14 Temperature rise test
    37 - 4.1.15 Temperature rise test for motors
    38 - 4.1.16 Temperature measurements
    38 - 4.2 ROUTINE TESTS
    38 - 4.2.1 General
    38 - 4.2.2 Insulation resistance test
    39 - 4.2.3 High voltage test
    40 - 4.2.4 Function test
    40 - 4.2.5 Additional routine tests
    41 - SECTION 5 MARKING AND LABELLING
    41 - 5.1 EQUIPMENT MARKING
    41 - 5.2 COMPONENT MARKING
    41 - 5.3 WIRING MARKING
    42 - 5.4 WARNING LABEL
    42 - 5.5 WARNING PLATES
    43 - APPENDIX A - INFORMATION TO BE SUPPLIED BY THE PURCHASER
    43 - A1 RELATING TO THE SYSTEM TO BE INSTALLED
    43 - A2 RELATING TO CONNECTED ELECTRICAL EQUIPMENT, WHERE KNOWN
    43 - A3 RELATING TO CABLES AND CABLE ENTRIES
    44 - APPENDIX B - INTEGRATED CONTROL SYSTEMS
    44 - B1 GENERAL
    44 - B2 RECOMMENDED PROCESS
    44 - B3 OTHER RECOMMENDATIONS
    45 - APPENDIX C - ADDITIONAL INFORMATION ON FLAMEPROOF ENCLOSURES
    45 - C1 PRECAUTIONS ASSOCIATED WITH HIGH ENERGY ARC FAULTS
    45 - C2 DOCUMENTATION
    46 - APPENDIX D - DOCUMENTATION REQUIREMENTS

    Abstract - (Show below) - (Hide below)

    Specifies the general design, manufacturing, testing and performance standards for all electrical equipment intended for use in underground coal mines.

    Scope - (Show below) - (Hide below)

    This Standard sets out the general requirements for all electrical equipment intended for use in underground coal mines.

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

    Committee EL-023
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as part of AS 1039-1972.AS 1740 first published 1975.Second edition AS 1039-1983.AS 2595.1 first published 1983.Second edition AS 1740-1985.Second edition AS 2595.1-1985.AS 2989 first published 1987.Third edition AS 1039-1986.Third edition AS 1740-1990.Third edition AS 2595.1-1992.Second edition AS 2989-1992.AS 1039-1986, AS 1740-1990, AS 2595.1-1992 and AS 2989-1992 jointly revised, amalgamated and redesignated in part as AS/NZS 4871.1:2002 First published as part of AS 1039-1972. AS 1740 first published 1975. Second edition AS 1039-1983. AS 2595.1 first published 1983. Second edition AS 1740-1985. Second edition AS 2595.1-1985. AS 2989 first published 1987. Third edition AS 1039-1986. Third edition AS 1740-1990. Third edition AS 2595.1-1992. Second edition AS 2989-1992. AS 1039-1986, AS 1740-1990, AS 2595.1-1992 and AS 2989-1992 jointly revised, amalgamated and redesignated in part as AS/NZS 4871.1:2002

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

    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS/NZS 3931:1998 Risk analysis of technological systems - Application guide
    AS 61508.3-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Software requirements
    AS 4042-1992 Software configuration management plans
    AS/NZS 60079.0:2000 Electrical apparatus for explosive gas atmospheres General requirements
    AS/NZS 3100:1997 Approval and test specification - General requirements for electrical equipment
    AS/NZS 4360:1999 Risk management
    AS 2081-1977 Equipment for earth-fault protection, monitoring and current limitation for use in coal and shale mines
    AS 1614-1985 The design and use of reflectorized signs for mines and tunnels
    AS/NZS 1802:1995 Electric cables - Reeling and trailing - For underground coal mining purposes
    AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
    AS 3007.2-1987 Electrical installations - Surface mines and associated processing plant - General protection requirements
    AS/NZS 4695.112:1996 Fire hazard testing of electrotechnical products Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions
    AS 1180.13B-1987 Methods of test for hose made from elastomeric materials - Determination of electrical resistance of hose assembly
    AS 1931.1-1996 High-voltage test techniques - General definitions and test requirements
    AS 1180.10B-1982 Methods of test for hose made from elastomeric materials - Determination of combustion propagation characteristics of a horizontally oriented specimen of hose using surface ignition
    AS 1675-1986 Current transformers - Measurement and protection
    AS 2380.1-1989 Electrical equipment for explosive atmospheres - Explosion-protection techniques General requirements (Reconfirmed 2013)
    AS 2374.1-1997 Power transformers General
    AS 2067-1984 Switchgear assemblies and ancillary equipment for alternating voltages above 1 kV
    AS 1243-1982 Voltage transformers for measurement and protection
    AS/NZS 4240:1994 Remote controls for mining equipment
    AS/NZS 2381.1:1999 Electrical equipment for explosive atmospheres - Selection, installation and maintenance General requirements
    AS 61508.1-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - General requirements
    AS/NZS 1972:1996 Electric cables - Underground coal mines - Other than reeling and trailing
    AS/NZS 60079.11:2000 Electrical apparatus for explosive gas atmospheres Intrinsic safety 'i'
    AS 2381.7-1989 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Intrinsic safety i
    AS 1931.2-1996 High-voltage test techniques - Measuring systems
    AS 2380.2-1991 Electrical equipment for explosive atmospheres - Explosion-protection techniques Flameproof enclosure d

    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 3584.1:2008 Diesel engine systems for underground coal mines Fire protected - Heavy duty
    AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
    AS/NZS 1972:2006 Electric cables - Underground coal mines - Other than reeling and trailing (Reconfirmed 2020)
    AS/NZS 3584.2:2008 Diesel engine systems for underground coal mines Explosion protected
    AS 2067-2008 Substations and high voltage installations exceeding 1 kV a.c.
    AS/NZS 4871.4:2002 Electrical equipment for coal mines, for use underground Mains powered electrical mobile machines
    AS/NZS 4240.1:2009 Remote control systems for mining equipment Design, construction, testing, installation and commissioning (Reconfirmed 2021)
    HB 242-2007 High voltage mining equipment for use underground (Reconfirmed 2019)
    AS 60204.1-2005 Safety of machinery - Electrical equipment of machines General requirements (IEC 60204-1, Ed. 5 (FDIS) MOD)
    AS/NZS 4871.5:2002 Electrical equipment for coal mines, for use underground Battery powered electrical mobile machines
    AS/NZS 4871.3:2002 Electrical equipment for coal mines, for use underground Substations
    HB 13-2007 Electrical equipment for hazardous areas
    AS/NZS 3584.2:2003 Diesel engine systems for underground coal mines - Explosion protected
    AS/NZS 4871.6:2007 Electrical equipment for coal mines, for use underground Diesel powered machinery and ancillary equipment
    AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
    AS/NZS 4871.2:2002 Electrical equipment for coal mines, for use underground Distribution, control and auxiliary equipment
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