bids are invited for supply and wiring of submain with two number 4 sq.mm. frlsh pvc insulated 1100 v grade multistrand single core copper conductor cable in 20 mm dia heavy guage rigid steel conduit on surface, with one number 14 swg copper earth continuity wire, complete in all respect. item no.211(b) supply and bend pipe of m.s. thickness 2.0 mm with diameters and 4 feet length 40 mm 111 silver colour (market rate) supply & erection of 600mm long cross arm of 50mm x 50mm x 6mm mild steel angel iron with necessary clamps, bolts, nuts etc. on poles complete in all respects including painting with aluminium paint. item no. 625