Supply Of Joint Less Grooved Copper Contact Wire 1Joint Less Grooved Copper Contact Wire 1,Joint Less Grooved Copper Contact Wire 107 Sqmm As Per Rdso Spec No.- Eti/Ohe/76(6/97) W Ith A & C Slip No-1,3&4 Or Latest. [ Warranty Period: 30 Months After The Date Of Delivery ] , Joint Less Hard Drawn Grooved Copper Contact Wire 107 Sq.Mm Made Out Of Continuous Cast Copp Er Wire Rods, As Per Rdso Specification No. Eti/Ohe/76 (6/97) With A&C Slip No. 1,3 & 4 Or Latest. [ Warranty P Eriod: 30 Months After The Date Of Delivery ] => Limited