supply of supply & installation of 3 pin modular mobile charging socket consists of ( i ) on-off switch - 1 no. ( ii ) 3 pin socket ( 6a, 250v, ac ) - 1 no. ( iii ) glass fuse 2 a of m / s ferraz shawmut / cooper bussman / equivalent * ( with fuse holder ) - 1 no. along with steel plate for 2tier / 3 tier ac coaches. the switch plate assembly shall be in the following order with inscription as 110v, cs specification and drawing no. rcf edml-064, rev-b, amd. 4 and drawing no. lw74202, alt.f, item-16. make: cpl / record / ssk / salzer / sks or any rdso / icf / rcf / mcf approved make. [ warranty period: 30 months after the date of delivery ] sr.section engineer / air assam 1908.00 set