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AS 2243.7-1991

Obsolescent

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Safety in laboratories - Electrical aspects

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English

Published date

01-01-1991

Publisher

Standards Australia

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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

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

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.

Committee	CH-026
DocumentType	Standard
ISBN	0 7262 7025 3
Pages	22
PublisherName	Standards Australia
Status	Obsolescent
Supersedes	DR 90046 AS 2243.7-1980

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.

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

AS 1038.8.2-2003	Coal and coke - Analysis and testing Coal and coke - Chlorine - High-temperature combustion method (Reconfirmed 2013)
AS 2879.2-2003	Alumina - Determination of particles passing a 20 micrometre aperture sieve
AS 2434.6-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Ultimate analysis - Classical methods (Reconfirmed 2013) (Reconfirmed 2023)
AS 1774.4.1-2002	Refractories and refractory materials - Physical test methods Preparation of test pieces - By casting
AS/NZS 2982:2010	Laboratory design and construction
AS/NZS 2243.6:2010	Safety in laboratories Plant and equipment aspects
AS 1470-1986	Health and safety at work - Principles and practices
AS 1774.13-2000	Refractories and refractory materials - Physical test methods Permanent dimensional change (Reconfirmed 2013)
AS 2503.6-2007	Refractories and refractory materials - Chemical analysis Refractories, refractory mortars and silicate materials - Determination of major and minor elements - Wavelength dispersive X-ray fluorescence spectrometry using lithium borate fusion
AS 1038.11-2002	Coal and coke - Analysis and testing Coal - Forms of sulfur (Reconfirmed 2013)
AS 1774.33-2003	Refractories and refractory materials - Physical test methods Determination of the setting time of castables
AS 3894.1-2002	Site testing of protective coatings Non-conductive coatings - Continuity testing - High voltage (brush) method (Reconfirmed 2013)
AS 1038.14.2-2003	Coal and coke - Analysis and testing Higher rank coal ash and coke ash - Major and minor elements - Acid digestion/flame atomic absorption spectrometric method (Reconfirmed 2013)
AS 1774.34-2004	Refractories and refractory materials - Physical test methods Guide to the determination of extrusion pressure and curing time of taphole clay
AS 1774.12-2001	Refractories and refractory materials - Physical test methods Refractoriness under load - Temperatures of deformation at constant load with rising temperature (Reconfirmed 2013)
AS 3844-1998	Recommended practice for metal analysis by electrochemical stripping techniques
AS 1774.35-2007	Refractories and refractory materials - Physical test methods Guide to the determination of resistance to corrosive reagents (Reconfirmed 2017)
AS/NZS 2243.1:1997	Safety in laboratories - General
AS 1038.9.4-2006	Coal and coke - Analysis and testing Higher rank coal - Phosphorus - Borate fusion/molybdenum blue method
AS 1038.25-2002	Coal and coke - Analysis and testing Coal - Durham cone handleability test (Reconfirmed 2013) (Reconfirmed 2023)
AS 2434.8-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of ash (Reconfirmed 2013) (Reconfirmed 2023)
AS 1774.19-2003	Refractories and refractory materials - Physical test methods The determination of sieve analysis and moisture content (Reconfirmed 2013)
AS 1038.21.1.2-2002	Coal and coke - Analysis and testing Higher rank coal and coke - Relative density - Analysis sample/volumetric method (Reconfirmed 2013) (Reconfirmed 2023)
AS 1188-1990	Radio transmitters and similar equipment - Safe practices
AS 1774.5-2001	Refractories and refractory materials - Physical test methods The determination of density, porosity and water absorption (Reconfirmed 2013)
AS 1774.4.5-2002	Refractories and refractory materials - Physical test methods Preparation of test pieces - Gunning refractories (Reconfirmed 2013)
AS/NZS 2243.8:2006	Safety in laboratories - Fume cupboards
AS 1485-1983	Safety and health in workrooms of educational establishments
AS 1038.10.1-2003	Coal and coke - Analysis and testing Determination of trace elements - Coal, coke and fly-ash - Determination of eleven trace elements - Flame atomic absorption spectrometric method (Reconfirmed 2013)
AS 1038.6.3.2-2003	Coal and coke - Analysis and testing Higher rank coal and coke - Ultimate analysis - Total sulfur - High-temperature combustion method (Reconfirmed 2013)
SAA HB 9-1994	Occupational personal protection
AS 1289.2.1.5-2005	Methods of testing soils for engineering purposes Soil moisture content tests - Determination of the moisture content of a soil - Infrared lights method (subsidiary method)
AS 1038.6.4-2005	Coal and coke - Analysis and testing Higher rank coal and coke - Ultimate analysis - Carbon, hydrogen and nitrogen - Instrumental method
AS 5006.2-2002	Silver and silver bearing alloys - Determination of silver content (1% to 99%) - Gravimetric (fire assay) method
AS 1038.21.1.1-2002	Coal and coke - Analysis and testing Higher rank coal and coke - Relative density - Analysis sample/density bottle method
AS 2434.3-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of the moisture holding capacity (Reconfirmed 2013) (Reconfirmed 2023)
HB 94-1997	Electrical safety in the workplace
AS 1774.23.1-2001	Refractories and refractory materials - Physical test methods Abradability index - Oblique method
AS 2932.3-2004	Aluminium ores - Chemical analysis Determination of loss of mass at 1000°C
AS 1774.2-2001	Refractories and refractory materials - Physical test methods Determination of bulk density of granular materials (Reconfirmed 2013)
AS 4538.2-2000	Guide to sampling of alumina Preparation of samples (Reconfirmed 2013)
AS 5006.1-2002	Silver and silver bearing alloys Determination of silver content (0.1% to 99.9%) - Tritrimetric (potentiometric) method (Reconfirmed 2016)
AS 1774.9-2000
AS 2434.2-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of volatile matter (Reconfirmed 2013)
AS 2489.11-2003	Methods for the analysis of zircon sand concentrates Determination of acid demand value
AS 2864.1-2003	Methods for the analysis of rutile Determination of titanium content - Titrimetric method
AS 1038.6.2-2007	Coal and coke - Analysis and testing Higher rank coal and coke - Ultimate analysis - Nitrogen (Reconfirmed 2017)
AS 1774.29-2008	Refractories and refractory materials - Physical test methods Cast coverage (Reconfirmed 2018)
AS 1774.31.2-2001	Refractories and refractory materials - Physical test methods Modulus of elasticity - Compression method
AS 2243.6-1990	Safety in laboratories - Mechanical aspects
AS/NZS 2243.1:2005	Safety in laboratories Planning and operational aspects
AS 2879.4-2003	Alumina - Determination of specific surface area by nitrogen adsorption
AS 1774.22-2000	Refractories and refractory materials - Physical test methods Refractory mortar - Test methods
AS 1774.27-2001	Refractories and refractory materials - Physical test methods Modulus of rupture at elevated temperatures
AS 3894.2-2002	Site testing of protective coatings Non-conductive coatings - Continuity testing - Wet sponge method
AS 1038.12.3-2002	Coal and coke - Analysis and testing Higher rank coal - Caking and coking properties - Dilatation
AS/NZS 2982.1:1997	Laboratory design and construction General requirements
AS 1774.32-2002	Refractories and refractory materials - Physical test methods Refractory products containing carbon - Test methods
AS 1038.14.1-2003	Coal and coke - Analysis and testing Higher rank coal ash and coke ash - Major and minor elements - Borate fusion/flame atomic absorption spectrometric method (Reconfirmed 2013)
AS 4119-2007	Determination of platinum and palladium in gold and gold bearing alloys - Flame atomic absorption spectrometry (FAAS) or inductively coupled plasma-atomic emission spectrometry (ICP-AES) (fire assay methods)
AS 2434.5-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal and its chars - Determination of moisture in bulk samples of lower rank coal and in analysis samples of char (Reconfirmed 2013) (Reconfirmed 2023)
AS 2715-2003	Heavy mineral sand concentrates - Determination of pH value
AS 1038.23-2002	Coal and coke - Analysis and testing Higher rank coal and coke - Carbonate carbon (Reconfirmed 2013)
AS 1774.31.1-2000	Refractories and refractory materials - Physical test methods Modulus of elasticity - Flexural method
AS 3894.1-1991	Site testing of protective coatings Non-conductive coatings - Continuity testing - High voltage (brush) method
AS 1038.17-2000	Coal and coke - Analysis and testing Higher rank coal - Moisture-holding capacity (equilibrium moisture) (Reconfirmed 2013)
AS 2879.10-2003	Alumina - Determination of attrition index
AS 3515.2-2002	Gold and gold bearing alloys - Determination of gold content 30% to 99.5% - Gravimetric (fire assay) method
AS 1774.21-2005	Refractories and refractory materials - Physical test methods Determination of workability index - Mouldable refractories
AS 1038.1-2001	Coal and coke - Analysis and testing Higher rank coal - Total moisture
AS 1774.24-2006	Refractories and refractory materials - Physical test methods Determination of the resistance to thermal shock
AS 1038.10.5.1-2003	Coal and coke - Analysis and testing Coal, coke and fly-ash - Trace elements - Determination of mercury content - Tube combustion method (Reconfirmed 2013) (Reconfirmed 2023)
AS 2434.7-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of moisture in the analysis sample (Reconfirmed 2013) (Reconfirmed 2023)
AS 2434.7-2002	Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of moisture in the analysis sample (Reconfirmed 2013) (Reconfirmed 2023)
AS 3894.2-1991	Site testing of protective coatings Non-conductive coatings - Continuity testing - Wet sponge method
AS 1038.26-2005	Coal and coke - Analysis and testing Higher rank coal and coke - Guide for the determination of apparent relative density
AS 1774.7-2001	Refractories and refractory materials - Physical test methods Permeability to gases
AS 1038.12.1-2002	Coal and coke - Analysis and testing Higher rank coal - Caking and coking properties - Crucible swelling number
AS 1289.2.1.5-1992	Methods of testing soils for engineering purposes Soil moisture content tests - Determination of the moisture content of a soil - Infrared lights method (subsidiary method)
AS 2503.5-2003	Refractories and refractory materials - Chemical analysis Chrome-bearing materials
AS 1774.1-2000	Refractories and refractory materials - Physical test methods Determination of cold compressive strength (Reconfirmed 2013)
AS 2879.9-2002	Alumina Determination of flow time (Reconfirmed 2013)
AS 2489.5-2003	Methods for the analysis of zircon sand concentrates Determination of zirconium plus hafnium content (Gravimetric method)
AS 1038.10.5.2-2007	Coal and coke - Analysis and testing Coal and fly-ash - Trace elements - Determination of mercury content - Acid extraction method (Reconfirmed 2017)
AS 2434.4-2002	Methods for the analysis and testing of lower rank coal and its chars Dried lower rank coal and its chars - Determination of apparent density - Mercury displacement method (Reconfirmed 2013) (Reconfirmed 2023)
AS 2879.1-2000	Alumina - Determination of loss of mass at 300 degrees Celsius and 1000 degrees Celsius
AS 1774.3-2000	Refractories and refractory materials - Physical test methods Determination of cold modulus of rupture (Reconfirmed 2013)
AS/NZS 4782.3(INT):2006	Double-capped fluorescent lamps - Performance specifications Procedure for quantitative analysis of mercury present in fluorescent lamps
AS 1774.4.4-2001	Refractories and refractory materials - Physical test methods Preparation of test pieces - Mouldable refractories
AS 2879.8-2000	Alumina Determination of bulk density (Reconfirmed 2013)
AS 1774.11-2005	Refractories and refractory materials - Physical test methods Determination of thermal expansion
AS 2434.9-2000	Method for the analysis and testing of lower rank coal and its chars Determination of four acid-extractable inorganic ions in lower rank coal (Reconfirmed 2013) (Reconfirmed 2023)
AS 1038.10.4-2001	Coal and coke - Analysis and testing Determination of trace elements - Coal, coke and fly-ash - Determination of fluorine content - Pyrohydrolysis method (Reconfirmed 2013)

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AS 2243.7-1991

Obsolescent

Table of Contents

Abstract

Scope

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Standards Referenced By This Book

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