CPV: 45310000 Electrical installation work, 45331210 Ventilation installation work, 45331211 Outdoor ventilation installation work, 45331220 Air-conditioning installation work, 45331221 Partial air-conditioning installation work, 45331230 Installation work of cooling equipment, 45331231 Installation work of refrigeration equipment, 45343000 Fire-prevention installation works, 45343100 Fireproofing work, 45343200 Firefighting equipment installation work, 45343210 CO2 fire-extinguishing equipment installation work, 45314300 Installation of cable infrastructure, 45343220 Fire-extinguishers installation work, 45350000 Mechanical installations, 45351000 Mechanical engineering installation works, 45400000 Building completion work, 09310000 Electricity, 09000000 Petroleum products, fuel, electricity and other sources of energy, 09330000 Solar energy, 14784000 Lithium, 31100000 Electric motors, generators and transformers, 31121110 Power converters, 45315100 Electrical engineering installation works, 31151000 Static converters, 31153000 Rectifiers, 31154000 Uninterruptible power supplies, 31155000 Inverters, 31158000 Chargers, 31158100 Battery chargers, 31162000 Parts of transformers, inductors and static converters, 31172000 Voltage transformers, 31174000 Power supply transformers, 31212000 Circuit breakers, 45315300 Electricity supply installations, 31214000 Switchgear, 31400000 Accumulators, primary cells and primary batteries, 31420000 Primary batteries, 31422000 Battery packs, 31430000 Electric accumulators, 31440000 Batteries, 31680000 Electrical supplies and accessories, 31700000 Electronic, electromechanical and electrotechnical supplies, 38550000 Meters, 38551000 Energy meters, 45315400 High voltage installation work, 38552000 Electronic meters, 38554000 Electricity meters, 51100000 Installation services of electrical and mechanical equipment, 51110000 Installation services of electrical equipment, 51111000 Installation services of electric motors, generators and transformers, 51111100 Installation services of electric motors, 51111200 Installation services of generators, 51111300 Installation services of transformers, 51112000 Installation services of electricity distribution and control equipment, 51112100 Installation services of electricity distribution equipment, 45315500 Medium-voltage installation work, 51112200 Installation services of electricity control equipment, 51120000 Installation services of mechanical equipment, 51700000 Installation services of fire protection equipment, 51800000 Installation services of metal containers, 51810000 Installation services of tanks, 65400000 Other sources of energy supplies and distribution, 71314000 Energy and related services, 71314100 Electrical services, 71314200 Energy-management services, 71314300 Energy-efficiency consultancy services, 45315600 Low-voltage installation work, 45315700 Switching station installation work, 45316000 Installation work of illumination and signalling systems, 45331200 Ventilation and air-conditioning installation work

CPV: 31174000 Power supply transformers, 31213100 Distribution boxes, 45310000 Electrical installation work, 31121110 Power converters, 31220000 Electrical circuit components, 31211100 Boards for electrical apparatus, 45315300 Electricity supply installations, 71320000 Engineering design services, 71323100 Electrical power systems design services, 51112000 Installation services of electricity distribution and control equipment, 38970000 Research, testing and scientific technical simulator, 38000000 Laboratory, optical and precision equipments (excl. glasses), 71000000 Architectural, construction, engineering and inspection services, 45351000 Mechanical engineering installation works, 45214610 Laboratory building construction work

CPV: 31174000 Power supply transformers, 31213100 Distribution boxes, 45310000 Electrical installation work, 31121110 Power converters, 31220000 Electrical circuit components, 31211100 Boards for electrical apparatus, 45315300 Electricity supply installations, 71320000 Engineering design services, 71323100 Electrical power systems design services, 51112000 Installation services of electricity distribution and control equipment, 38970000 Research, testing and scientific technical simulator, 38000000 Laboratory, optical and precision equipments (excl. glasses), 71000000 Architectural, construction, engineering and inspection services, 45351000 Mechanical engineering installation works, 45214610 Laboratory building construction work

CPV: 31211110 Control panels, 31214110 Isolating switches, 31121110 Power converters, 31121111 Electric rotary converters, 31527210 Lanterns, 31124100 Turbine generator sets, 19510000 Rubber products, 31211340 Fuse clips, 31214190 Limit switches, 31220000 Electrical circuit components, 31518000 Signalling lights, 31161000 Parts for electrical motors and generators, 31122000 Generator units, 31224400 Connection cables, 31213400 Distribution system, 31158100 Battery chargers, 31130000 Alternators, 16730000 Traction motors, 31211100 Boards for electrical apparatus, 31214200 Switch disconnector, 31111000 Adapters, 31121100 Generating sets with compression-ignition engines, 31214160 Pressure switches, 31440000 Batteries, 31219000 Protection boxes, 31221300 Socket relays, 31510000 Electric filament lamps, 24960000 Various chemical products, 31212300 Magnetic circuit breakers, 31518200 Emergency lighting equipment, 19520000 Plastic products, 14820000 Glass, 31215000 Voltage limiters, 31310000 Mains, 31131100 Actuators, 31214170 Toggle switches, 31321210 Low-voltage cable, 31521310 Warning lights, 31400000 Accumulators, primary cells and primary batteries, 31161300 Generator rotors, 31224300 Connection boxes, 31420000 Primary batteries, 31311000 Mains connections, 31211000 Boards and fuse boxes, 31221000 Electrical relays, 31214300 Outdoor switching installations, 34631000 Parts of locomotives or rolling stock, 31211310 Cut-outs, 31160000 Parts of electric motors, generators and transformers, 31214140 Dimmer switches, 31431000 Lead-acid accumulators, 31430000 Electric accumulators, 31411000 Alkaline batteries, 31221400 Alternating voltage relays, 31434000 Lithium accumulators, 31213300 Cable distribution cabinet, 31212000 Circuit breakers, 31224600 Dimmers, 31124200 Turbine generator control apparatus, 31213200 Distribution transformers, 31121000 Generating sets, 31200000 Electricity distribution and control apparatus, 31422000 Battery packs, 31214150 Drum switches, 31230000 Parts of electricity distribution or control apparatus, 31211300 Fuses, 31214000 Switchgear, 31000000 Electrical machinery, apparatus, equipment and consumables; lighting, 31300000 Insulated wire and cable, 31321300 High-voltage cable, 31211330 Fuse wires, 31213100 Distribution boxes, 31214120 Earthing switch, 31162000 Parts of transformers, inductors and static converters, 31410000 Primary cells, 24910000 Glues, 31122100 Fuel cells, 31221100 Power relays, 31421000 Lead batteries, 31321000 Electricity power lines, 31158300 Turbocharger, 31128000 Turbogenerator, 31172000 Voltage transformers, 31320000 Power distribution cables, 31214400 Fuse switch disconnector, 31174000 Power supply transformers, 31211320 Fuse blocks, 31214130 Safety switches, 31211200 Fuse boxes, 31161100 Excitation systems, 31224500 Terminals, 31120000 Generators, 31214100 Switches, 31162100 Parts of condensers, 31214180 Slide switches, 31321220 Medium-voltage cable, 31221200 General purpose relays, 31170000 Transformers, 31523200 Permanent message signs, 31100000 Electric motors, generators and transformers, 31110000 Electric motors