supply of pvc insulated, armoured, unscreened, underground railway signalling cable [copper conductor] size 30 core x 1.5 sq mm to rdso specification no irs:s:63/2014 (rev 4.0) or latest, if any.pvc insulated, armoured, unscreened, underground railway signalling cable [copper conductor] size 30 core x 1.5 sq mm to rdso specification no irs:s:63/2014 (rev 4.0) or latest, if any.,pvc insulated, armoured, unscreened, underground railway signalling cable [c opper conductor] size 30 core x 1.5 sq mm to rdso specification no irs:s:63/2014 (rev 4.0) or l atest, if any. (rev 4.0) or latest. [ warranty period: 30 months after the date of delivery ] ] , pvc insulated, armoured, unscreened, underground railway signalling cable [c opper conductor] size 30 core x 1.5 sq mm to rdso specification no irs:s:63/2014 (rev 4.0) or l atest, if any. [ warranty period: 30 months after the date of delivery ] ] , pvc insulated, armoured, unscreened, underground railway signalling cable [c opper conductor] size 30 core x 1.5 sq mm to rdso specification no irs:s:63/2014 (rev 4.0) or l atest, if any. [ warranty period: 30 months after the date of delivery ] ] , pvc insulated, armoured, unscreened, underground railway signalling cable [c opper conductor] size 30 core x 1.5 sq mm to rdso specification no irs:s:63/2014 (rev 4.0) or l atest, if any. [ warranty period: 30 months after the date of delivery ] ]