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AS 1674.2-1990

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Safety in welding and allied processes - Electrical
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1990

Publisher

Standards Australia

Preview

1 - AS 1674.2-1990 SAFETY IN WELDING AND ALLIED PROCESSES - ELECTRICAL
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE.
6 - 1.2 SAFETY REQUIREMENTS.
6 - 1.2.1 Power sources.
6 - 1.2.2 Electrical safety for welders.
6 - 1.3 REFERENCED DOCUMENTS.
6 - 1.4 DEFINITIONS.
6 - 1.4.1 Allied processes.
6 - 1.4.2 Authorized inspector
6 - 1.4.3 Authorized person
6 - 1.4.4 Connecting links
6 - 1.4.5 Conductors.
6 - 1.4.6 Control leads
6 - 1.4.7 Distribution box
7 - 1.4.8 Installation (electrical)
7 - 1.4.9 Leads (or cables).
7 - 1.4.10 Open-circuit voltage
7 - 1.4.11 Output circuit
7 - 1.4.12 Power source
7 - 1.4.13 Terminals.
7 - 1.4.14 Welder
7 - 1.4.15 Welding
9 - SECTION 2. ELECTRICAL REQUIREMENTS
9 - 2.1 CONNECTION TO ELECTRICITY SUPPLY.
9 - 2.2 OUTPUT CIRCUIT, CONDUCTORS, LEADS AND THEIR CONNECTIONS.
9 - 2.2.1 General.
9 - 2.2.2 Voltage drop.
9 - 2.2.3 Electrode lead.
9 - 2.2.4 Electrode conductor.
9 - 2.2.5 Work lead and work conductor.
10 - 2.2.6 Connections.
10 - 2.3 EARTHING.
10 - 2.4 PROTECTION OF TERMINALS.
10 - 2.5 MARKING OF TERMINALS.
10 - 2.6 POWER SOURCES.
10 - 2.6.1 Control.
10 - 2.6.2 Supply to output circuit.
10 - 2.6.3 Maximum open-circuit voltage.
10 - 2.6.4 High-frequency arc initiating equipment.
11 - 2.6.5 Surge injection.
11 - 2.7 POWER SOURCE ANCILLARIES.
11 - 2.7.1 Electrode holders.
11 - 2.7.2 Plasma torches.
11 - 2.7.3 Wire feeders.
11 - 2.7.4 Use of multiple ancillary items.
11 - 2.8 INSPECTION AND MAINTENANCE.
11 - 2.8.1 Power source.
11 - 2.8.2 Accessories.
12 - SECTION 3. GENERAL PRECAUTIONS
12 - 3.1 GENERAL.
12 - 3.2 WORKING IN CONFINED SPACES.
12 - 3.3 PARTICULAR HAZARDS WITH PLASMA ARC PROCESSES.
12 - 3.4 DE-ENERGIZATION OF OUTPUT CIRCUIT.
12 - 3.5 ELECTRODES.
12 - 3.6 ELECTRODE HOLDERS AND TORCHES.
12 - 3.7 CARE OF LEADS AND CONNECTIONS.
13 - SECTION 4. PERSONNEL SAFETY PRECAUTIONS
13 - 4.1 GENERAL.
13 - 4.2 POWER SOURCES.
13 - 4.2.1 General.
13 - 4.2.2 Transformer type.
13 - 4.2.3 Plasma arc welding type.
13 - 4.2.4 Plasma arc cutting type.
13 - 4.3 ELECTRIC SHOCK.
13 - 4.3.1 General.
13 - 4.3.2 The severity of electric shock.
13 - 4.3.3 The magnitude of current flowing through the body.
15 - 4.3.4 The path of the current through the body.
15 - 4.3.5 The duration of the shock.
15 - 4.3.6 The type of voltage supply, a.c. or d.c.
15 - 4.3.7 The reaction to shock.
15 - 4.4 PRECAUTIONS.
15 - 4.4.1 General.
15 - 4.4.2 Connecting to the electricity supply.
15 - 4.4.3 When working.
15 - 4.4.4 Connecting the output circuit.
15 - 4.4.5 Cable connections.
16 - 4.5 WORKING IN CONFINED SPACES.
16 - 4.6 WORKING IN WET CONDITIONS.
18 - 4.7 PACEMAKERS.
18 - 4.8 HELMETS, HANDSHIELDS, GOGGLES AND FACE MASKS.
19 - APPENDIX A - TYPICAL OUTPUT CIRCUIT SAFETY SWITCH
20 - APPENDIX B - RESCUE AND RESUSCITATION IN THE CASE OF ELECTRIC SHOCK
20 - B1 GENERAL.
20 - B2 RESCUE.
22 - B4 THE MANAGEMENT OF VICTIM OF ELECTRIC SHOCK.
22 - B4.1 General.
22 - B4.2 Management of a conscious person.
22 - B4.3 Management of an unconscious person.
22 - B4.4 Management of electrical burn.
22 - B5 CHECKING OF AIRWAY.
22 - B6 CHECK BREATHING.
22 - B6.1 General.
23 - B6.2 Victim not breathing.
24 - B7 CIRCULATION.
25 - B8 RATIO OF VENTILATION TO COMPRESSION.
25 - B8.1 One rescuer.
26 - B8.2 Two rescuers.
26 - B9 CHECK PROGRESS.
27 - B10 THE NEED FOR SUPERVISED TRAINING AND RETRAINING.
27 - B11 COMMUNITY SOURCES OF INSTRUCTION.
29 - APPENDIX C - PRECAUTIONS WHEN CONNECTING TO ELECTRICITY SUPPLY
29 - C1 GENERAL.
29 - C2 INSTALLATION OF SINGLE-PHASE POWER SOURCES ON TWO-WIRE A.C. SUPPLY CIRCUITS.
30 - C3 D.C. WELDING CIRCUITS.
30 - C4 INSTALLATIONS ON THREE-PHASE SUPPLY CIRCUITS.
33 - APPENDIX D - EXAMPLES OF FATAL ELECTRICAL ACCIDENTS
33 - D1 GENERAL.
33 - D2 BOILER WELDING.
35 - D3 WORKING ON BOARD A SHIP.
36 - D4 WELDING OUTDOORS.
37 - D5 PULLING A CABLE.
37 - D6 FATAL ELECTRICAL ACCIDENT INVOLVING MAINS VOLTAGE.

Applies to the prevention of electric shock to welders. Sets out the requirements for safety of circuit wiring on power sources for welding and allied processes and the precautions to be taken when operating such power sources. Includes plasma arc power sources and reference to particular hazards due to their high open-circuit voltages. The appendices illustrate and describe the correct method of connection between adjacent power sources to minimize the likelihood of electric shock across adjacent power source leads. Examples of recorded fatal accidents are included and procedures for rescue and resuscitation in the case of electric shock are described and illustrated.

This Standard sets out requirements for the prevention of electric shock and the minimizing of certain associated hazards in arc welding and allied processes. The Standard describes the practices and safeguards which should be adopted by welders and the connections for alternating and direct current power sources, together with the requirements for any ancillary equipment.It also gives examples on how shocks may be received and the action to take in the event of a welder receiving an electric shock.NOTE: Other aspects of welding safety are covered in other Standards.

Committee
EL-019
DocumentType
Standard
ISBN
0 7262 6009 6
Pages
32
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Under Revision see DR 01334

AS 1554.2-1993 Structural steel welding - Stud welding (steel studs to steel)
AS/NZS 1554.1:1995 Structural steel welding Welding of steel structures
AS 3892-2001 Pressure equipment - Installation (Reconfirmed 2016)
AS 3780-1994 The storage and handling of corrosive substances
AS 1796-1993 Certification of welders and welding supervisors
AS/NZS 1554.5:1995 Structural steel welding Welding of steel structures subject to high levels of fatigue loading
AS/NZS 3833:1998 The storage and handling of mixed classes of dangerous goods in packages and intermediate bulk containers
AS 1894-1997 The storage and handling of non-flammable cryogenic and refrigerated liquids (Reconfirmed 2021)
AS/NZS 3195:2002 Approval and test specification - Portable machines for electric arc welding and allied processes
HB 94-1997 Electrical safety in the workplace
AS 4041-1992 Pressure piping
AS/NZS 1553.3:1996 Covered electrodes for welding - Corrosion-resisting chromium and chromium-nickel steel electrodes
AS 1858.1-2003 Electrodes and fluxes for submerged-arc welding Carbon steels and carbon-manganese steels
AS 3873-2001 Pressure equipment - Operation and maintenance
AS/NZS 2576:1996 Welding consumables for build-up and wear resistance
AS 1851.14-1996 Maintenance of fire protection equipment - Pumpset systems
AS 3846-1998 The handling and transport of dangerous cargoes in port areas
AS 3961-1991 Liquefied natural gas - Storage and handling
AS/NZS 1553.2:1999 Covered electrodes for welding - Low and intermediate alloy steel electrodes for manual metal-arc welding of carbon steels and low and intermediate alloy steels
AS/NZS 2927:2001 The storage and handling of liquefied chlorine gas
AS 1554.1-1991 Structural steel welding (known as the SAA Structural Steel Welding Code) - Welding of steel structures
AS/NZS 3195:1995 Approval and test specification - Portable machines for electric arc welding and allied processes
AS/NZS 1554.1:2000 Structural steel welding Welding of steel structures
AS 1674.1-1997 Safety in welding and allied processes Fire precautions (Reconfirmed 2016)
AS 4458-1997 Pressure equipment - Manufacture (Reconfirmed 2016)
AS 1665-1992 Welding of aluminium structures
AS/NZS 1167.2:1999 Welding and brazing - Filler metals Filler metal for welding
AS/NZS 4081:2001 The storage and handling of liquid and liquefied polyfunctional isocyanates (Reconfirmed 2021)
AS/NZS 1554.4:1995 Structural steel welding - Welding of high strength quenched and tempered steels
AS 1553.3-1992 Covered electrodes for welding - Corrosion-resisting chromium and chromium-nickel steel electrodes
AS 3892-1995 Pressure equipment - Installation

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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