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.
WITHDRAWN
EN 60974-4:2007
99.60
Withdrawal effective
Jan 2, 2014
WITHDRAWN
EN 60974-4:2011