标准摘要
[中文适用范围]： IEC 60974 的这一部分规定了运行中检查和维修后的测试程序，以确保电气安全。这些测试程序也适用于维护。本标准适用于按照 IEC 60974-1 建造的电源以及用于弧焊、切割和相关工艺的辅助设备。本标准不适用于新型电源或发动机驱动电源的测试。注 对于未按照 IEC 60974-1 制造的电源，请参阅附件 [外文原描述]： 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.
英文名称Arc welding equipment - Part 4: In-service inspection and testing