Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
Section two. Installation
3. General requirements
3.1 General
3.2 Earthing
3.3 No-load voltage
4. Electric circuits
4.1 Welding return
4.2 Earthing of the workpiece
4.3 Protective measures with respect to extraneous
conductive parts in the welding area
4.4 Welding circuits
Section three. Use
5. General safety
5.1 Plant (power sources, equipment and accessories)
5.2 Power sources connected together
5.3 Inspection and maintenance of the welding
installation
5.4 Disconnection of power sources
5.5 Enclosures and guards
5.6 Information for operators
5.7 Protective clothing and accessories
5.8 Isolation of electrode holders and torches
when not in use
5.9 Voltage between electrode holders and torches
6. Earthing of the workpiece
7. Voltage
7.1 General
7.2 Several operators welding on the same workpiece
8. Welding in an environment with increased hazard
of electric shock
Appendices
A. Information on legal requirements and publication
regarding welding safety
B. Recommendations for the use of arc welding power
sources, equipment and accessories
Figures
1. Diagrammatic representation of typical earthing
points and return current connections
2. Diagram showing reason for NOT earthing the wire
feed unit enclosure
3. No-load voltage between electrode holders
4. Diagrams showing reason for earthing the
welding circuit at the workpiece