repairs and maintenance of cooling appliances under ge ( af ) tughlakabad-10 street / security light fittings 11 led light fittings 12 mccb 13 flame proof fittings & fixtures 14 exhaust fans, air circulator, wall mounting fan. pendestal fan. 15 ceiling fans 16 fan regulator 17 air curtains 18 geysers 19 solar water heating system 20 tamper proof digital kwh meters 21 lt xlpe cables 22 ht xlpe cables 23 acb 24 vcb / ht ( 11 kv ) 25 vcb / ht ( 33 kv ) 26 changeover switch, switch fuse unit, fuse switches, rotary switches 27 transformer below 300 kva ( 11 kv / 33 kv reqd capacities copper wound 2 ms conduit 3 pvc conduit & conduit accessories 4 pvc insulated aluminium / copper conductor for internal wiring 1100 volts grade ( upto 4sqmm ) 5 piano switches, switch sockets out let 5 & 15 amps, ceiling rose, call bells, modular switches ( isi marked ) 6 modular switches 7 mcb db, mcbs, isolator, elcb, rccb 8 mes pattern light fittings. 9 light fittings cfl / ftl light fittings 28 transformer 300 kva & above ( 11 kv / 0 433 kv & 33 above kv / 11dks&33 skv / 433 kva capacities copper wound ) 29 indicating lamp ( led type ) 30 god / do fuses / air break switch ( 11 kv & 33 kv ) 31 lightning arrestors 32 voltmeter / ammeter / frequency meter ( digital only ) 33 digital voltmeter / ammeter & kvah, kwh, kvarh, tod metering, max demand & controller 34 selector switch 35 voltage stabilizers 36 modern lightning protection 37 cable joint end termination 38 frls wires for internal wiring 39 fr / frls wires for internal wiring with ( copper conductor ) 40 cable lugs 41 insulators ht / lt 42 pcc / rcc poles 43 steel tabular poles ( ht / lt ) 44 star / delta starters / contactors / relays / timer switches / single phase preventer 45 power capacitor / apfc system 46 aviation obstruction lamp 47 acsr conductors 48 generator engine 49 alternator 50 canopy 51 batteries 52 cts & pts ( ht ) 53 high mast assembly 54 submersible cable 55 relay 56 lt joints ( epoxy ) for cable joints 57 induction motors external water supply 58 ci ( s&s ) / flanged pipe & fittings 59 di pipe & fittings 60 hdpe pipes 61 gi / ms pipe & fittings 62 sluice valves 63 foot valve / air release valave / reflux valve 64 nrv / hydrant valve / gate valve. 65 butter fly valves 66 water meter 67 water level electronic indicator 68 pumps & motors centrifugal 69 submersible 70 vertical turbine pumps 71 bleaching dozer 72 chloronome plant 73 sodium hypo chlorite purification plant 74 composite pipe ( pe-al-pe ) 75 motor starter