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    AS 2381.10-1995

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    Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Equipment in combustible dust (Class II) areas

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

    Withdrawn date:  26-06-2021

    Language(s):  English

    Published date:  01-01-1995

    Publisher:  Standards Australia

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

    1 - AS 2381.10-1995 ELECTRICAL EQUIPMENT FOR EXPLOSIVE ATMOSPHERES - SELECTION, INSTALLATION AND MAINTENANCE - EQUIPMENT IN COMB....
    4 - PREFACE
    5 - CONTENTS
    6 - SECTION 1 SCOPE AND GENERAL
    6 - 1.1 SCOPE
    6 - 1.2 REFERENCED DOCUMENTS
    7 - 1.3 DEFINITIONS
    7 - 1.3.1 Area, hazardous
    7 - 1.3.2 Combustible dust
    7 - 1.3.3 Compounded joint
    7 - 1.3.4 Dust
    7 - 1.3.5 Enclosure, dust-excluding ignition-proof (DIP enclosure)
    7 - 1.3.6 Equipotential bonding
    7 - 1.3.7 Fibre
    7 - 1.3.8 Flyings
    8 - 1.3.9 Inherently explosive dusts
    8 - 1.3.10 Minimum cloud ignition energy
    8 - 1.3.11 Temperature, cloud ignition
    8 - 1.3.12 Temperature, layer ignition
    8 - 1.3.13 Explosion venting
    8 - 1.4 ELECTRICAL RATING
    8 - 1.5 PROTECTION AGAINST STATIC
    8 - 1.6 PROTECTION AGAINST LIGHTNING
    8 - 1.7 OTHER CONSIDERATIONS
    9 - SECTION 2 SELECTION OF EQUIPMENT
    9 - 2.1 SCOPE OF SECTION
    9 - 2.2 PERMITTED TYPES OF PROTECTION
    9 - 2.2.1 General
    9 - 2.2.2 Dust-excluding ignition-proof enclosures (DIP)
    9 - 2.2.3 Encapsulated equipment (Ex m)
    9 - 2.2.4 Intrinsically safe equipment (Ex i)
    9 - 2.2.5 Pressurized rooms or enclosures (Exp)
    10 - 2.3 TEMPERATURE CLASSIFICATION
    10 - 2.3.1 General
    10 - 2.3.2 Differential required
    11 - 2.3.3 Example of temperature calculation
    11 - 2.3.4 Ambient temperature consideration
    11 - 2.4 PHYSICALCHARACTERISTICS
    11 - 2.4.1 Enclosure shape
    11 - 2.4.2 Exterior panels
    11 - 2.4.3 Cleaning and housekeeping
    11 - 2.5 HEATING EQUIPMENT
    13 - SECTION 3 INSTALLATION
    13 - 3.1 SCOPE OF SECTION
    13 - 3.2 WIRING SYSTEMS
    13 - 3.2.1 General
    13 - 3.2.2 Intrinsically safe circuits
    13 - 3.2.3 Sheathed cables
    13 - 3.2.4 MIMS cable
    13 - 3.2.5 Armoured cables
    14 - 3.2.6 Use of conduit
    14 - 3.2.7 Flexible connections
    15 - 3.3 SUPPORTS FOR WIRING
    15 - 3.3.1 General
    15 - 3.3.2 Prevention of sagging
    15 - 3.3.3 Supports
    15 - 3.3.4 Distances between supports
    15 - 3.4 DRAINAGE
    15 - 3.5 THREADED CONNECTIONS
    15 - 3.5.1 General
    15 - 3.5.2 Thread form
    16 - 3.5.3 Length of thread
    16 - 3.5.4 Sealing of threaded joints
    16 - 3.6 EARTHING
    16 - 3.7 EQUIPOTENTIAL BONDING
    16 - 3.8 SOCKET-OUTLETS
    16 - 3.8.1 Permitted types
    16 - 3.8.2 Automatic isolation
    17 - 3.8.3 Mounting
    17 - 3.8.4 Location
    17 - 3.9 PROTECTION
    17 - 3.9.1 General
    17 - 3.9.2 Motors
    17 - 3.10 ISOLATION
    17 - 3.11 ABRASION PROTECTION
    18 - SECTION 4 INSPECTION, TESTING AND MAINTENANCE
    18 - 4.1 GENERAL
    18 - 4.2 DOCUMENTATION
    18 - 4.3 FORMS OF INSPECTION
    18 - 4.4 ONSITE ELECTRICAL TESTING
    18 - 4.4.1 General
    18 - 4.4.2 Installation tests
    19 - 4.4.3 Periodical tests
    19 - 4.5 MAINTENANCE
    20 - APPENDIX A - GENERAL CONSIDERATIONS
    20 - A1 HOUSEKEEPING
    20 - A2 EXCLUSION OF ELECTRICAL EQUIPMENT FROM CLASS II AREAS
    20 - A3 VIBRATION
    20 - A4 BUILDING DESIGN
    21 - A5 HOT SURFACES
    22 - APPENDIX B - INFORMATION REGARDING INSTALLATION
    22 - B1 GENERAL
    22 - B2 INFORMATION REQUIRED
    23 - APPENDIX C - INSPECTION, TESTING AND MAINTENANCE
    23 - C1 FORMS OF INSPECTION
    23 - C2 INSPECTION CHECKS
    23 - C2.1 Area classification
    23 - C2.2 Modifications
    23 - C2.3 Surface temperature class
    23 - C2.4 Marking
    24 - C2.5 Circuit loop number/identification
    24 - C2.6 Lamps and fuses
    25 - C2.7 Earthing and equipotential bonding
    25 - C2.8 Electrical connections
    25 - C2.9 Damage
    25 - C2.10 Compliance with documentation
    25 - C3 MAINTENANCE
    25 - C3.1 General
    25 - C3.2 Checklist
    25 - C3.3 Removal of electrical equipment
    25 - C3.4 Modification or repair
    25 - C3.5 Inspection after maintenance
    25 - C4 RECORDS

    Abstract - (Show below) - (Hide below)

    Sets out requirements for the selection, installation and maintenance of electrical equipment for use in areas where combustible dust may be present in quantities that are likely to produce a fire or explosion.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the selection, installation and maintenance of electrical equipment for use in areas where combustible dust may be present in such quantities as are likely to produce a fire or explosion hazard. Such areas are hereinafter referred to as Class II areas.NOTE: AS 2430.2 deals with the classification of Class II areas.This Standard does not apply to-(a) areas where inherently explosive dusts are present;(b) underground workings of coal mines; and(c) areas which may be affected by oxygen enrichment.

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

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

    History - (Show below) - (Hide below)

    First published as AS 2381.10-1989.Second edition 1995. First published as AS 2381.10-1989. Second edition 1995.

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

    AS 2431-1981 Electrical equipment for explosive atmospheres - Encapsulated apparatus - Type of protection m
    AS/NZS 2053.8:1995 Conduits and fittings for electrical installations Flexible conduits and fittings of metal or composite material (Reconfirmed 2016)
    AS 3191-1981 Approval and test specification for electric flexible cords (incorporating Corrigenda)
    AS/NZS 2053.6:1995 Conduits and fittings for electrical installations - Profile-wall, smooth-bore conduits and fittings of insulating material
    AS/NZS 2053.7:1995 Conduits and fittings for electrical installations Rigid metal conduits and fittings
    AS 1828-1984 Electrical equipment for explosive atmospheres - Cable glands
    AS 1905.1-1990 Components for the protection of openings in fire-resistant walls - Fire-resistant doorsets
    AS/NZS 2053.2:1995 Conduits and fittings for electrical installations Rigid plain conduits and fittings of insulating material
    AS 2380.4-1994 Electrical equipment for explosive atmospheres - Explosion-protection techniques Pressurized rooms or pressurized enclosures (Reconfirmed 2013)
    AS/NZS 2053.1:1995 Conduits and fittings for electrical installations General requirements
    AS/NZS 2053.4:1995 Conduits and fittings for electrical installations Flexible plain conduits and fittings of insulating material (Reconfirmed 2016)
    AS 2430.2-1986 Classification of hazardous areas - Combustible dusts
    AS 3000-1986 Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules)
    AS 1722.1-1975 Pipe threads of Whitworth form Sealing pipe threads (metric units)
    AS 2236-1994 Electrical equipment for explosive atmospheres - Dust-excluding ignition-proof (DIP) enclosure
    AS/NZS 1020:1995 The control of undesirable static electricity
    AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
    AS 1768-1991 Lightning protection
    AS 2380.7-1987 Electrical equipment for explosive atmospheres - Explosion-protection techniques - Intrinsic safety i
    AS/NZS 3112:1993 Approval and test specification - Plugs and socket-outlets
    AS 2381.7-1989 Electrical equipment for explosive atmospheres - Selection, installation and maintenance Intrinsic safety i

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

    AS 2381.1-1991 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - General requirements
    AS 2236-1994 Electrical equipment for explosive atmospheres - Dust-excluding ignition-proof (DIP) enclosure
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    MP 69-1993 Explosion-protected electrical equipment - Certification scheme - Policy
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