ČSN EN IEC 60974-7 ed. 4

This part of IEC 60974 specifies safety and construction requirements for TORCHES used for arc welding and allied processes. This document is applicable to MANUAL, MECHANICALLY GUIDED, AIR-COOLED, LIQUID-COOLED, MOTORIZED, SPOOL-ON and FUME EXTRACTION TORCHES. In this document, a TORCH consists of the TORCH BODY, the CABLE-HOSE ASSEMBLY and other components. This document is also applicable to a CABLE-HOSE ASSEMBLY connected between a power source and ancillary equipment. This document is not applicable to electrode holders for manual metal arc welding or air-arc cutting/gouging. NOTE 1 - Typical allied processes are electric arc cutting and arc spraying. NOTE 2 - Other components are listed in Table A.1. NOTE 3 - In this document, all procedures and requirements are the same for "TORCHES" and "GUNS". For convenience, the term "TORCH" is used in the following text.