supply of cable of size 12 core x 2.5sq.mm , supply of pvc insulated signaling armored unscreened underground signaling cable of size 12 core x 2.5sq.mm confirming to rdso specification irs : s 63/2014 (rev.-4) . [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value var iation permitted: not applicable ] ] , supply of pvc insulated signaling armored unscreened underground signaling cableof size 12 core x 2.5sq.mm confirming to rdso specification irs : s 63/2014 (rev.-4) . [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value var iation permitted: not applicable ] ] , supply of pvc insulated signaling armored unscreened underground signaling cableof size 12 core x 2.5sq.mm confirming to rdso specification irs : s 63/2014 (rev.-4). [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value var iation permitted: not applicable ] ] , supply of pvc insulated signaling armored unscreened underground signaling cableof size 12 core x 2.5sq.mm confirming to rdso specification irs : s 63/2014 (rev.-4) . [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value var iation permitted: not applicable ] ] , supply of pvc insulated signaling armored unscreened underground signaling cableof size 12 core x 2.5sq.mm confirming to rdso specification irs : s 63/2014 (rev.-4) . [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 2 %age , item category : special (signaling cables) , total po value var iation permitted: not applicable ] ]