bids are invited for operation and maintenance of electrical systems/electrical installations - supply fixing of 7 mtr gi octagonal pole of approved make (top dia 70mm, bottom dia 130mm and base plate12 mm thik) having 3mm thikness with on rcc foundation including the .. , operation and maintenance of electrical systems/electrical installations - supply and laying of aluminium conductor pvc insulated armoured served sheathed cables 1100 volts ldpe pipe for cable grade at a depth of 750 mm below ground level with letc .. , operation and maintenance of electrical systems/electrical installations - supply and burring of safe earthing electrode t 19 zn zinc coated length 3000mm outer pipe 48 4mm x 3 2mm, inner pipe 26 9mm x 2 6 terminal dia 12 mm coating 80 to 100 micron.. , operation and maintenance of electrical systems/electrical installations - supply and fixing of led street light fitting having die cast aluminium body and diffuser reflector with driver set suitable for 70 watt confirming to ip 66 protection comple.. , operation and maintenance of electrical systems/electrical installations - supply and fixing capacity of automatic street light cubicle control panel painted with anticorrosive alkali and acid proof paint consisting of time switch tso 100 series with.. , operation and maintenance of electrical systems/electrical installations - supply and wiring of submarines with 2 no of 4 sqmm frlsh pvc insulated 1100v grade single core multistring copper conductor cable for led connection supply of all material la.. , operation and maintenance of electrical systems/electrical installations - supply and laying of aluminium conductor pvc insulated armoured served sheathed cables 1100 volts ldpe pipe for 8 10 cable grade at a depth of 750 mm below ground level , operation and maintenance of electrical systems/electrical installations - supply and laying of 25mm x 3mm gl strip from learthelectrode directly in the ground as required complete in all respect