supply of supply and installation of the following items to be fitted in fire detection systems fitted in ac coaches , supply and installation of the following items to be fitted in fire detection systems fitted in a c coaches as per rdso specifications rdso/2014/cg-04 rev-3 and rdso/2014/cg-04 rev-4. (a) limiter m odule, make: sanrok (b) 2 amp 2 pole dc mcb, c- curve (c) cable for 110 v dc supply (positive and nega tive) suitable for laying from sbc panel to power supply unit of fire detection system. (as per rdso spec e lrs/ spec/ elec / 0019) rev latest (d) flexible conduit for laying cables for 110 v dc. (separate conduit f or positive and negative, suitable for laying from sbc panel to power supply unit of fire detection system. ( as per rdso spec rdso/pe/spec/ac-0138-2009 rev1 or latest. [ warranty period: 30 months after the date of delivery ] ]