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AS 1674.2-2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date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

01-01-2003

Publisher

Standards Australia

Preview

1 - AS 1674.2-2003 SAFETY IN WELDING AND ALLIED PROCESSES - ELECTRICAL
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 Allied process
7 - 1.3.2 Authorized
7 - 1.3.3 Conductor
8 - 1.3.4 Control lead
8 - 1.3.5 Distribution box
8 - 1.3.6 Environment
8 - 1.3.7 FCAW
8 - 1.3.8 GMAW
8 - 1.3.9 GTAW
8 - 1.3.10 Hazard-reducing device
9 - 1.3.11 Licensed electrical worker
9 - 1.3.12 Mains installation (electrical)
9 - 1.3.13 MMAW
9 - 1.3.14 Open-circuit voltage (OCV) or no-load voltage
9 - 1.3.15 Output lead (or cable)
9 - 1.3.16 Power source (also known as welding machine)
9 - 1.3.17 SAW
9 - 1.3.18 Shall
9 - 1.3.19 Should
9 - 1.3.20 Terminal
9 - 1.3.21 Voltage-reducing device (VRD)
9 - 1.3.22 Welder
10 - 1.3.23 Welding
10 - 1.3.24 Welding circuit (also known as output circuit)
10 - 1.3.25 Welding current
11 - SECTION 2 RISK ASSESSMENT AND PERSONAL SAFETY
11 - 2.1 GENERAL
11 - 2.2 CLASSIFICATION OF WELDING ENVIRONMENT
11 - 2.3 CONTROL MEASURES
11 - 2.3.1 Category A environments
12 - 2.3.2 Category B environments
13 - 2.3.3 Category C environments
13 - 2.4 PARTICULAR HAZARDS WITH PLASMA-ARC PROCESSES
14 - SECTION 3 EQUIPMENT
14 - 3.1 HELMETS, HANDSHIELDS, GOGGLES, FACE MASKS AND GLOVES
14 - 3.2 POWER SOURCES
14 - 3.2.1 General
14 - 3.2.2 Degree of protection
15 - 3.2.3 Terminals
15 - 3.2.4 Internal insulation
15 - 3.2.5 Control
16 - 3.2.6 Maximum open-circuit voltage
16 - 3.2.7 Hazard-reducing devices
17 - 3.2.8 Ancillary devices
18 - 3.3 ANCILLARIES
18 - 3.3.1 Electrode holders for MMAW
18 - 3.3.2 Plasma torches
18 - 3.3.3 Wire feeders
19 - SECTION 4 ELECTRICAL CONNECTIONS
19 - 4.1 CONNECTION TO ELECTRICITY SUPPLY
19 - 4.2 WELDING CIRCUIT CONNECTIONS
19 - 4.2.1 General
19 - 4.2.2 Welding leads
19 - 4.2.3 Voltage drop
20 - 4.2.4 Electrode leads for MMAW
20 - 4.2.5 Permanently installed welding circuit wiring
20 - 4.2.6 Work lead and work conductor
20 - 4.2.7 Welding circuit connections
20 - 4.2.8 Confined spaces
21 - 4.3 EARTHING
21 - 4.4 CONNECTING MULTIPLE POWER SOURCES TO A COMMON WORKPIECE
21 - 4.4.1 General
21 - 4.4.2 Installation of single-phase power sources to two-wire a.c. supply circuits
22 - 4.4.3 d.c. welding circuits
23 - 4.4.4 Installations on three-phase supply circuits
26 - SECTION 5 INSPECTION AND MAINTENANCE
26 - 5.1 POWER SOURCE
26 - 5.1.1 Routine inspection and testing
26 - 5.1.2 Insulation resistance
26 - 5.1.3 Earthing
26 - 5.1.4 Repairs
26 - 5.2 ACCESSORIES
27 - APPENDIX A - TYPICAL ELECTRICAL HAZARDS
27 - A1 SCOPE
27 - A2 COURSES OF INSTRUCTION
27 - A3 GENERAL
28 - A4 POWER SOURCES
28 - A4.1 General
28 - A4.2 Open circuit voltage
28 - A4.3 Plasma welding and cutting
28 - A5 SECONDARY CIRCUITS
28 - A5.1 General
29 - A5.2 The magnitude of current flowing through a body
31 - A5.3 The path of current through a body
31 - A5.4 The duration of shock
31 - A5.5 The type of voltage supply
31 - A5.6 The reaction to shock
31 - A6 STRAY CURRENT
32 - A7 ELECTROMAGNETIC FIELDS AND PACEMAKERS
32 - A7.1 General
32 - A7.2 Minimizing exposure
32 - A7.3 Welders with pacemakers
34 - APPENDIX B - FATAL ELECTRICAL ACCIDENTS
34 - B1 INTRODUCTION
34 - B2 BOILER WELDING
36 - B3 WORKING ON BOARD A SHIP
37 - B4 WELDING OUTDOORS
38 - B5 PULLING A CABLE
38 - B6 FATAL ELECTRICAL ACCIDENT INVOLVING MAINS VOLTAGE

Specifies safety requirements for arc welding and allied processes, to prevent electric shock and minimize associated hazards, describes practices and safeguards that should be adopted by welders (including requirements for cable connections for alternating and direct current power sources, and requirements for any ancillary equipment) and gives examples of ways that shocks have been received and actions that may be taken in the event of a welder receiving an electric shock.

This Standard sets out safety requirements for arc welding and allied processes, to reduce the possibility of electric shock and minimize associated hazards. It includes requirements for cable connections for alternating and direct current power sources, as well as requirements for hazard-reducing devices and other ancillary equipment. It also describes practices and safeguards that should be adopted by welders and provides examples of situations that present an increased risk of electric shock. NOTES: 1 Other aspects of welding safety are covered in other Standards. 2 Typical electrical hazards are described in Appendix A. 3 Some fatal electrical accidents are reported in Appendix B. 4 Information on health aspects of electric fields, magnetic fields and pacemakers is given in Appendix C.

Committee
EL-019
DocumentType
Standard
ISBN
0 7337 5234 9
Pages
34
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published in part as AS CC5-1947.Second edition 1954.Third edition 1965.MP 17 first published 1965.AS CC5-1965 and MP 17-1965 revised, amalgamated and redesignated as AS 2745-1984.AS 2745-1984 revised and redesignated as AS 1674.2-1990.Second edition 2003. First published in part as AS CC5-1947. Second edition 1954. Third edition 1965. MP 17 first published 1965. AS CC5-1965 and MP 17-1965 revised, amalgamated and redesignated as AS 2745-1984. AS 2745-1984 revised and redesignated as AS 1674.2-1990. Second edition 2003.

AS/NZS 2865:2001 Safe working in a confined space
AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
AS 1966.1-1985 Electric arc welding power sources - Transformer type
AS 2826-1985 Manual metal-arc welding electrode holders
AS 1674.1-1997 Safety in welding and allied processes Fire precautions (Reconfirmed 2016)
AS/NZS 1337:1992 Eye protectors for industrial applications
AS/NZS 2161.4:1999 Occupational protective gloves Protection against thermal risks (heat and fire) (Reconfirmed 2016)
AS/NZS 1995:1995 Welding cables
AS 1966.3-1990 Electric arc welding power sources - Plasma arc cutting and welding types
AS/NZS 3008.1.1:1998 Electrical installations - Selection of cables - Cables for alternating voltages up to and including 0.6/1 kV - Typical Australian installation conditions
AS/NZS 1338.1:1992 Filters for eye protectors Filters for protection against radiation generated in welding and allied operations
AS/NZS 1336:1997 Recommended practices for occupational eye protection
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS 1966.2-1985 Electric arc welding power sources - Rotary type
AS 2812-1985 Welding, brazing and cutting of metals - Glossary of terms
AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
AS/NZS 3195:2002 Approval and test specification - Portable machines for electric arc welding and allied processes

AS 1988.1-2006 Welding of ferrous castings - Steel castings
AS/NZS 1554.1:2004 Structural steel welding Welding of steel structures
AS/NZS ISO 14343:2006 Welding consumables - Wire electrodes, wires and rods for arc welding of stainless and heat-resisting steels - Classification (Reconfirmed 2017)
AS 3961-2005 The storage and handling of liquefied natural gas
AS/NZS 1554.4:2004 Structural steel welding - Welding of high strength quenched and tempered steels
AS 3846-2005 The handling and transport of dangerous cargoes in port areas
AS/NZS 1554.2:2003 Structural steel welding Stud welding (steel studs to steel)
AS/NZS 1554.7:2006 Structural steel welding Welding of sheet steel structures
AS/NZS 4855:2007 Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification
AS 1940-2004 The storage and handling of flammable and combustible liquids
AS/NZS ISO 17633:2006 Welding consumables - Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels - Classification (ISO 17633:2004, MOD) (Reconfirmed 2017)
AS/NZS 1167.1:2005 Welding and brazing - Filler metals Filler metal for brazing and braze welding
AS 5062-2006 Fire protection for mobile and transportable equipment
AS/NZS 1554.5:2004 Structural steel welding Welding of steel structures subject to high levels of fatigue loading
AS/NZS 1665:2004 Welding of aluminium structures (Reconfirmed 2016)
AS/NZS 2576:2005 Welding consumables for build-up and wear resistance
AS 2419.1-2005 Fire hydrant installations System design, installation and commissioning

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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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