This document is applicable to requirements for installation and instructions for use of equipment for arc welding and allied processes designed in accordance with safety requirements of IEC 60974-1, IEC 60974-6 or equivalent.<\/p>\n
This document is applicable for the guidance of instructors, operators, welders, managers, and supervisors in the safe installation and use of equipment for arc welding and allied processes and the safe performance of welding and cutting operations.<\/p>\n
National and local regulations take precedence over this document.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4 Installation 4.1 General 4.2 Supply circuit 4.2.1 Selection of supply cables 4.2.2 Supply disconnecting device <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 4.2.3 Emergency stopping device 4.3 Welding circuit 4.3.1 Isolation from the input supply 4.3.2 Summation of no-load voltages 4.3.3 Welding cables <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 4.3.4 Connection between the welding power source and the workpiece Tables Table 1 \u2013 Current ratings for copper welding cables <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 4.3.5 Earthing of the workpiece 4.3.6 Location of gas cylinders <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 5 Electromagnetic compatibility (EMC) 5.1 General 5.2 Assessment of area 5.3 Methods of reducing emissions 5.3.1 Public supply system 5.3.2 Maintenance of arc-welding equipment <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 5.3.3 Welding cables 5.3.4 Equipotential bonding 5.3.5 Earthing of the workpiece 5.3.6 Screening and shielding 6 Electromagnetic fields (EMF) 6.1 General <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 6.2 Assessment of exposure 7 Use 7.1 General requirements 7.2 Connection between several welding power sources 7.3 Inspection and maintenance of the welding installation 7.3.1 Periodical inspection <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 7.3.2 Routine inspection 7.4 Disconnection of welding power sources and\/or welding circuits 7.5 Guards 7.6 Information for operators 7.7 Protective measures 7.7.1 Extraneous conductive parts in the welding area 7.7.2 Protection against electric shock <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 7.8 Isolation of the welding circuit from the workpiece and earth when not in use 7.9 Voltage between electrode holders or torches <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Figures Figure 1 \u2013 Example of DC voltage between electrode holders or torches Figure 2 \u2013 Example of AC voltage between electrode holders or torches \u2013Single-phase supply from the same pair of lines of a three-phase mains supply Figure 3 \u2013 Example of AC voltage between electrode holders or torches \u2013Single-phase supply from different pairs of lines of a three-phase mains supply <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 7.10 Welding in an environment with increased risk of electric shock 7.11 Use of shoulder slings Figure 4 \u2013 Example of AC voltage between electrode holders connected between different lines of output <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 7.12 Welding at elevated positions 7.13 Welding with suspended welding equipment 8 Battery-powered welding power sources 8.1 Safety recommendations 8.2 Transportation <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex A (informative) Hazards associated with arc welding A.1 General A.2 Equipment condition and maintenance A.3 Operation A.4 Training A.5 Arc radiation A.5.1 General <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | A.5.2 Eye and face protection (see also A.9) A.5.3 Body protection (see also A.9) A.5.4 Protection of persons in the vicinity of an arc A.6 EMF A.6.1 General A.6.2 Body protection A.6.3 Protection of persons in the vicinity of the welding operation A.7 Welding fume <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | A.8 Noise <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Figure A.1 \u2013 Steps for the control of welding fumes <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | A.9 Fire and explosion A.9.1 General A.9.2 Fire A.9.3 Explosion A.10 General protective clothing A.11 Confined spaces <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Figure A.2 \u2013 Example steps of operation for work in confined spaces <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Annex B (informative) Voltage drops in the welding circuit Figure B.1 \u2013 Example of MIG\/MAG equipment <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Table B.1 \u2013 Voltage drop in copper and aluminium welding cables at normal and elevated temperatures <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Arc welding equipment – Installation and use<\/b><\/p>\n |