CPV: 31000000 Electrical machinery, apparatus, equipment and consumables; lighting, 31100000 Electric motors, generators and transformers, 31110000 Electric motors, 31121300 Wind-energy generators, 31155000 Inverters, 31210000 Electrical apparatus for switching or protecting electrical circuits, 31214500 Electric switchboards, 31321220 Medium-voltage cable, 31230000 Parts of electricity distribution or control apparatus, 31300000 Insulated wire and cable, 31320000 Power distribution cables, 31500000 Lighting equipment and electric lamps, 31518000 Signalling lights, 31518300 Rooflights, 31520000 Lamps and light fittings, 31527200 Exterior lights, 31680000 Electrical supplies and accessories, 31682210 Instrumentation and control equipment, 31700000 Electronic, electromechanical and electrotechnical supplies, 31711400 Valves and tubes, 31712331 Photovoltaic cells