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 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 for positive and negative, suitable for laying from sbc panel to power supply unit of fire detection system. (a s per rdso spec rdso/pe/spec/ac-0138-2009 rev-1 or latest in cnb based coaches of coaching depot k anpur. [ warranty period: 30 months after the date of delivery ] ]