supply of 110v, dc mobile phone chargers per icf drg.no. icf / sk3-7-6-036 alt.h or latest 6 amps 5 pin socket ( un shuttered ) and switch prewired, with 0.5 amps glass fuse and red led indicator which shall be fixed on steel plate but with 5 pin socket. the modular switch and socket ( un shuttered ) shall be as per is 3854 and is 1293 to icf / rcf approved makes as stipulated vide rdso lr.no.el / 7.1.57 / sgac / system date 10 / 03 / 15 and / or stipulated vide item 3 ( e ) under note of icf drg.no.icf / sk-3-7-6-036 alt.h or latest and any other equivalent / similar make having prior approval of icf as on date of tender opening. embossing to be done below charging socket as 110v dc supply for mobile charging only in bilingual. however, the firms may quote for latest specification / drawing with amendment if any issued by rdso / icf / rcf. [ warranty period: 30 months after the date of delivery ]