bids are invited formodular electrical switches and accessories , electrical plugs-is 1293 , disconnectors (isolators) for working voltage up to and including 1 kv , pvc casing for wire installation , lamp sockets lamp holder as per is:1258 , ballasts for fluorescent lamps-is:1534 , modular electrical enclosure switch board boxes for modular type accessories , panel light bulb-is 1601 , pvc copper cable 1 core and multi corecircular sheathed cable with rigid conductor as per is:694 ,ht tape , elecric bells and accessories-is 2268 , fixedcapacitors (fixed capacitor for single phase ac electricfan)-is: 1709:1984 , unplasticized pvc pipes for potablewater supplies-is 4985 , tee pipe fittings , elbow pipefitting total quantity : 2311