supply of pvc insulated cable for railway signalling size 30 core x 1.5 sq.mmpvc insulated cable for railway signalling size 30 core x 1.5 sq.mm,pvc insulated cable for railway signalling heavy duty unscreened underground a rmoured with galvanised round steel wire and the conductor of plain solid annealed high co nductivity copper with each nominal cross section area of 1.5 sqmm specn.no. irs:s.63/2014 (rev 4.0) or latest. size 30 core x 1.5 sq.mm [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value variatio n permitted: not applicable ] ]