IEC 60974-4 Ed. 1.0被替代
Arc welding equipment Part 4: In-service inspection and testing
出版：International Electrotechnical Committee
专家解读视频
Specifies test procedures for in-service inspection and, after repair, to ensure electrical safety. These test procedures are also applicable for maintenance. Is applicable to power sources together with ancillary equipment for arc welding, cutting and allied processes built in conformity with IEC 60974-1.
OVE/ONORM EN 60974-4:2007 - Identical
NEN EN IEC 60974-4:2007 - Identical
SS EN 60974-4 Ed. 1 (2007) - Identical
UNE EN 60974-4:2007 - Identical
PN EN 60974-4:2007 - Identical
I.S. EN 60974-4:2007 - Identical
VDE 0544-4:2007 - Identical
DIN EN 60974-4 (2007-09) - Identical
BS EN 60974-4:2007 - Identical
CEI EN 60974-4 Ed. 1 (2007) - Identical
