45310000-3 Electrical installation work 45311000-0 Electrical wiring and fitting work 45311100-1 Electrical wiring work 45311200-2 Electrical fitting work 45312000-7 Alarm system and antenna installation work 45312100-8 Fire-alarm system installation work 45312200-9 Burglar-alarm system installation work 45312310-3 Lightning-protection works 45315000-8 Electrical installation work of heating and other electrical building-equipment 45315100-9 Electrical engineering installation works 45315300-1 Electricity supply installations 45315600-4 Low-voltage installation work 45315700-5 Switching station installation work 45316000-5 Installation work of illumination and signalling systems 45317000-2 Other electrical installation work 45317100-3 Electrical installation work of pumping equipment 45317200-4 Electrical installation work of transformers 45317300-5 Electrical installation work of electrical distribution apparatus
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