Tenders for Supply of Welding Cable With Copper Conductor Of Nominal Cross Sectional Area:70 Sq.Mm, Covering:Hofr Normal Duty Elastomeric Compound & Current Rating:454 A At 60% Duty Cycle Ambient Temperature 30 Degree Cconforming Is:9857-90First Revision With Amendment No.1 Of January 2007. Specn: Is 2641/64