BS EN IEC 62442-2:2018 Energy performance of lamp controlgear. Controlgear for high intensity discharge lamps (excluding fluorescent lamps). Method of measurement to determine the efficiency of controlgear
2022BS EN IEC 62442-2:2022 Energy performance of lamp controlgear. Controlgear for discharge lamps (excluding low-pressure mercury fluorescent lamps). Method of measurement to determine the efficiency of controlgear
2019BS EN IEC 62442-2:2018 Energy performance of lamp controlgear. Controlgear for high intensity discharge lamps (excluding fluorescent lamps). Method of measurement to determine the efficiency of controlgear