supply of supply of 5 pair armouredsupply of 5 pair armoured,supply of 5 pair armoured ( 5core for working 5 core forstand by ) colour coded & pvc insulated twin twisted data communication cable as per rdso specification no.rdso/spn/tc/61/2015 revision4.0 or latest with latest ammendment. for wiring and commissioning of display boards .each core of the data communication cable shall be made of size 7/0.30 (7strands & each strand of 0.30mm diameter) & having isulation thickness of 0.25mm .polyester taped, 0.6mm drain wire ,overlapped with aluminium foil for screening .polyester taped and with outer sheath thickness of 1.3 mm shall be provided for the data communication wherever required . [ warranty period: 30 months after the date of delivery ] => limited