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    AS 2243.7-1991

    Obsolescent “Obsolescent” indicates that the Standard is not recommended for new equipment or as a current practice, but it is retained in order to provide for servicing of existing equipment or requirements.

    Safety in laboratories - Electrical aspects

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

    Language(s):  English

    Published date:  01-01-1991

    Publisher:  Standards Australia

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

    1 - AS 2243.7-1991 SAFETY IN LABORATORIES - ELECTRICAL ASPECTS
    4 - PREFACE
    5 - CONTENTS
    7 - SECTION 1 SCOPE AND GENERAL
    7 - 1.1 SCOPE
    7 - 1.2 REFERENCED AND RELATED DOCUMENTS
    7 - 1.3 DEFINITIONS
    7 - 1.3.1 Active
    7 - 1.3.2 Appliance, portable
    7 - 1.3.3 Appliance, hand held
    7 - 1.3.4 Appliance, stationary
    7 - 1.3.5 Appliance, fixed
    7 - 1.3.6 Authorized
    7 - 1.3.7 Cable, flexible
    7 - 1.3.8 Conductor
    7 - 1.3.9 Cord
    7 - 1.3.10 Cord, flexible
    7 - 1.3.11 Dead
    7 - 1.3.12 Earthed
    7 - 1.3.13 Earth leakage device (ELD)
    7 - 1.3.14 Equipment
    7 - 1.3.15 Hazardous area
    8 - 1.3.16 Head officer
    8 - 1.3.17 Let-go current
    8 - 1.3.18 Live (alive)
    8 - 1.3.19 Outlet, general purpose (GPO)
    8 - 1.3.20 Plug
    8 - 1.3.21 Socket-outlet
    8 - 1.3.22 Residual current device (RCD)
    8 - 1.3.23 Socket-cord extension
    8 - 1.3.24 Supply authority
    8 - 1.3.25 Voltage
    9 - SECTION 2 GENERAL INFORMATION
    9 - 2.1 RESPONSIBILITY FOR SAFETY
    9 - 2.1.1 Head officer
    9 - 2.1.2 Safety observer
    9 - 2.2 ELECTRICAL APPLIANCE REGISTER
    9 - 2.3 DOCUMENTATION OF CIRCUITRY
    9 - 2.4 LABORATORY SAFETY MANUAL
    9 - 2.5 COLOUR CODING OF CONDUCTORS
    9 - 2.6 SOCKET-OUTLET POLARIZATION
    10 - 2.7 GENERAL PURPOSE OUTLETS
    10 - 2.8 PLUGS
    10 - 2.9 FLEXIBLE CORDS
    10 - 2.10 EXTENSION CORDS
    10 - 2.11 PRINCIPLES OF CONSTRUCTION OF ELECTRICAL EQUIPMENT
    11 - 2.12 PROTECTIVE EARTHING
    11 - 2.13 SUPPLEMENTARY PROTECTION
    11 - 2.14 INSPECTION OF NEW EQUIPMENT
    11 - 2.15 CONDUCTING MATERIALS AND APPAREL
    11 - 2.16 ELECTRICAL INSTALLATIONS
    11 - 2.16.1 Permanent installations
    12 - 2.16.2 Temporary installations
    12 - 2.16.3 Installation in hazardous areas
    12 - 2.17 POWER MAINS CONDITIONERS AND POWER REGULATION EQUIPMENT
    13 - SECTION 3 PROTECTIVE DEVICES
    13 - 3.1 ISOLATION AND EMERGENCY SWITCHING
    13 - 3.2 SHOCK PROTECTION DEVICES
    13 - 3.2.1 Residual current devices
    13 - 3.2.2 Safety isolating transformers for extra-low voltage operation
    13 - 3.2.3 Isolating transformers
    14 - SECTION 4 PROCEDURES FOR SAFE USE OF APPLIANCES
    14 - 4.1 PORTABLE APPLIANCES
    14 - 4.1.1 General
    14 - 4.1.2 Operation of portable electric tools
    14 - 4.1.3 Use of multiple outlet connectors
    14 - 4.2 STATIONARY AND FIXED APPLIANCES
    14 - 4.2.1 General
    14 - 4.2.2 Auto transformers
    14 - 4.2.3 High grade capacitors
    15 - 4.2.4 Batteries
    16 - SECTION 5 EXPERIMENTAL AND LIVE UNATTENDED EQUIPMENT
    16 - 5.1 EXPERIMENTAL EQUIPMENT
    16 - 5.2 LIVE UNATTENDED EQUIPMENT
    17 - SECTION 6 ELECTRICAL EQUIPMENT WHICH PASSES CURRENT THROUGH LIQUIDS
    17 - 6.1 ELECTROPHORESIS APPARATUS
    17 - 6.1.1 General
    17 - 6.1.2 Power supply units
    17 - 6.1.3 Connecting cables
    17 - 6.1.4 Electrophoresis cell
    17 - 6.1.5 Electrolysis effects
    17 - 6.2 ELECTROCHEMICAL ANALYTICAL APPARATUS
    18 - SECTION 7 GENERAL PROCEDURES FOR INSPECTION, SERVICE AND MAINTENANCE OF ELECTRICAL EQUIPMENT AND APPLIANCES
    18 - 7.1 GENERAL
    18 - 7.2 CHECKING OF EQUIPMENT BEFORE USE
    18 - 7.2.1 Inspection
    18 - 7.2.2 Voltage test
    18 - 7.3 SERVICING
    18 - 7.3.1 General
    18 - 7.3.2 Working on live equipment
    19 - 7.3.3 Servicing and repairing in a non-electrical department
    20 - SECTION 8 ELECTRICAL SAFETY SYSTEMS
    20 - 8.1 GENERAL
    20 - 8.2 TAG SYSTEM
    20 - 8.3 LOCK-OUT SYSTEM
    20 - 8.4 PERMIT SYSTEM
    20 - 8.5 SEGREGATION OF HIGH-VOLTAGE AND HIGH-POWER ELECTRICAL EQUIPMENT
    22 - APPENDIX A - LIST OF REFERENCED AND RELATED DOCUMENTS
    22 - A1 REFERENCED DOCUMENTS
    22 - A2 RELATED DOCUMENTS
    23 - APPENDIX B - TREATMENT FOR ELECTRIC SHOCK
    23 - B1 SCOPE
    23 - B2 EFFECTS OF ELECTRIC SHOCK
    23 - B3 TREATMENT FOR ELECTRIC SHOCK
    23 - B3.1 General
    23 - B3.2 Rescue from live conductors
    23 - B4 MANAGEMENT OF ELECTRIC SHOCK CASUALTY
    24 - B5 RESUSCITATION TECHNIQUES
    24 - B5.1 Expired air resuscitation
    24 - B5.2 External cardiac compression
    26 - APPENDIX C - ACTIONS IN CASE OF ELECTRICAL FIRE
    26 - C1 GENERAL
    26 - C2 FIRE EXTINGUISHERS
    26 - C3 ACTIONS IN CASE OF AN ELECTRICAL FIRE
    27 - APPENDIX D - MECHANISM AND PHYSIOLOGICAL EFFECTS OF ELECTRIC SHOCK
    27 - D1 GENERAL
    27 - D2 ELECTRICAL CHARACTERISTICS OF THE HUMAN BODY
    27 - D3 SEVERITY OF ELECTRIC SHOCK

    Abstract - (Show below) - (Hide below)

    Specifies requirements and gives recommended practices relating to electrical safety and electrical equipment in laboratories.

    Scope - (Show below) - (Hide below)

    This Standard sets out general principles for the use of electrical equipment in all types of laboratories, to promote electrical safety in laboratories and minimize personal injury and prevent property damage.This Standard is intended to cover all equipment which may be used in the laboratory including office equipment such as word processors, photocopiers and typewriters. This Standard does not include the installation of electrical fittings during the construction of the laboratory, which is the subject of AS 2982.The Standard is not intended to replace any legislation, statutory requirements or electricity supply authority regulations.

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

    Committee CH-026
    Document Type Standard
    Publisher Standards Australia
    Status Obsolescent
    Supersedes

    History - (Show below) - (Hide below)

    Made Obsolescent 19-08-2013 First published as AS 2243.7-1980.Second edition 1991. First published as AS 2243.7-1980. Second edition 1991.

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

    AS/NZS 3760:2003 In-service safety inspection and testing of electrical equipment
    AS 1848-1985 Portable fire extinguishers - Halon type
    AS 2381.1-1991 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - General requirements
    AS 2676.1-1992 Guide to the installation, maintenance, testing and replacement of secondary batteries in buildings - Vented cells
    AS 2243.8-1992 Safety in laboratories - Fume cupboards
    AS 3859-1991 Effects of current passing through the human body
    AS 3112-1990 Approval and test specification - Plugs and socket-outlets
    AS 3147-1992 Approval and test specification - Electric cables - Thermoplastic insulated - For working voltages up to and including 0.6/1 kV
    AS 3108.3-1984 Approval and test specification - Isolating transformers and safety isolating transformers Supplementary requirements - Safety isolating transformers
    AS/NZS 3109.1:1996 Approval and test specification - Appliance couplers for household and similar general purposes General requirements
    AS 2430.1-1987 Classification of hazardous areas - Explosive gas atmospheres
    AS 1895-1977 Code of practice for guarding and safe use of portable electric tools for domestic use
    AS/NZS 3160:2001 Approval and test specification - Hand-held portable electric tools
    AS 3760-1990 In-service safety inspection and testing of electrical equipment
    AS/NZS 3190:2002 Approval and test specification - Residual current devices (current-operated earth-leakage devices)
    AS 3108.1-1984 Approval and test specification - Isolating transformers and safety isolating transformers - General requirements
    AS/NZS 3112:2004 Approval and test specification - Plugs and socket-outlets
    AS 1319-1994 Safety signs for the occupational environment (Reconfirmed 2018)
    AS 1846-1985 Portable fire extinguishers - Powder type
    AS 3109.1-1987 Approval and test specification - Appliance couplers for household and similar general purposes - General requirements
    AS 1849-1976 Identification colours for portable fire extinguishers
    AS/NZS 2243.1:2005 Safety in laboratories Planning and operational aspects
    AS 1847-1985 Portable fire extinguishers - Carbon dioxide type
    AS 3190-1994 Approval and test specification - Residual current devices (current-operated earth-leakage devices)
    AS 2982-1987 Laboratory construction
    AS 1188-1990 Radio transmitters and similar equipment - Safe practices
    AS/NZS 1020:1995 The control of undesirable static electricity
    AS 2243.1-1990 Safety in laboratories - General
    AS/NZS 3191:2003 Electric flexible cords
    AS 3000-1986 Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules)
    AS 3178-1991 Approval and test specification - Electric cables - Silicone rubber insulated - For working voltages up to and including 0.6/1 kV
    AS 3191-1981 Approval and test specification for electric flexible cords (incorporating Corrigenda)
    AS/NZS 3116:1996 Approval and test specification - Electric cables - Elastomer insulated - For working voltages up to and including 0.6/1 kV
    AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
    AS 3160-1989 Approval and test specification - Hand-held portable electric tools
    AS/NZS 2243.8:2006 Safety in laboratories - Fume cupboards
    AS 3108.2-1984 Approval and test specification - Isolating transformers and safety isolating transformers Supplementary requirements - Isolating transformers
    AS 2430.3-1991 Classification of hazardous areas - Specific occupancies
    AS 2430.2-1986 Classification of hazardous areas - Combustible dusts

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