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Szukana fraza: [Abstrakt = "In the laboratory of the Institute of Electrical Engineering and Electronics of the Poznań University of Technology carried out performance tests of selected non– directional household lamps, which are replacements for traditional 60W incandescent lamps. The article presents the results of measurements of the initial photometric, colorimetric and electrical parameters, its evaluation in accordance with the requirements of the relevant regulations of the European Union and standards and operational changes in the luminous flux in the range of up to 3,000 hours for light compact fluorescent lamps and LED lamps and up to 600 hours for incadescent lamps."]

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