supply of supply and installation of the following items to be fitted in fire detection systems fitted in ac coaches as per rdso specifications rdso/2014/cg-04 rev-3 and rdso/2014/cg-04 rev-04. (a) limited module, make-sanrok (b) 2 amp 2 pole dc mcb, c-curve (c) cable for 110 v dc supply (positive and negative) suitable for laying from sbc panel to power supply unit of fire detection system. (as per rdso spec elrs/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. (as per rdso spec rdso/spe/spec/ac-0138-2009 rev1 or latest .supply and installation of the following items to be fitted in fire detection systems fitted in ac coaches as per rdso specifications rdso/2014/cg-04 rev-3 and rdso/2014/cg-04 rev-04. (a) limited module, make-sanrok (b) 2 amp 2 pole dc mcb, c-curve (c) cable for 110 v dc supply (positive and negative) suitable for laying from sbc panel to power supply unit of fire detection system. (as per rdso spec elrs/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. (as per rdso spec rdso/spe/spec/ac-0138-2009 rev1 or latest .,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-04. (a) limited module, 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