supply of supply and installation of separate conduit for positive and negative wire of 110v dc supply in fire detection systems.supply and installation of separate conduit for positive and negative wire of 110v dc supply in fire detection systems.,supply and installation of separate conduit for positive and negative wire of 110v dc supply in fire detection systems fitted in previous revision rdso specification rds/2008/cg-04 rev 3 and rev.04 ac coaches as per rdso specifications rdso/2014/cg-04 rev.05.(1) cable for 110 v dc supply (positive a nd negative) suitable for laying form sbc panel to power supply unit of fire detection system.(as per rds o spec elrs/spec/elec/0019) rev latest (2) flexible conduit for laying cables for 110 v dc. (separate co nduit for positive and negative, suitable for laying form sbc panel to power supply unit of fire detection s ystem.(as per rdso spec rdso/pe/spec/ac-0138-2009 rev1 or latest, make- sanrok enterprises [ warra nty period: 30 months after the date of delivery ] ]