Set Of Items Required For Additional Signal Lamp Unit In Ac Electric Locomotives As Follows. 1) Additional Signal Lamp Box As Per Drg. No. B/Trs/Lgt/4/55 Or Latest. Qty/Set. = 01 No. 2) Led Indicator Lamps For Lssm, Lsip : Red = 02 Nos And Lsvcd, Lstm : Green = 02 Nos, Dc 110 V With Replaceable Bulbs Of Makes: M/S. Sibass Electric (Or) M/S. Vaishno (Or) M/S. Kosmos (Or) M/S. Jigo. Qty/Set. = 01 Set.