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See Chinese contents: GB 19044-2013 GB 19044-2013: Minimum allowable values of energy efficiency and the energy efficiency grades of self-ballasted fluorescent lamps for general lighting service
This Standard specifies the energy efficiency grades, energy efficiency limits, evaluating values of energy conservation, and test methods of self-ballasted fluorescent lamps for general lighting service (Hereinafter referred to as: self-ballasted fluorescent lamps). This Standard applies to self-ballasted fluorescent lamps of which the rated voltage is 220V; frequency of AC power is 50Hz; rated power is 3W~60W; it adopts screw caps or bayonet caps; it is used for domestic and similar general lighting services; and it is integrated with control starting and stable ignition components. This Standard does not apply to self-ballasted fluorescent lamps with lampshades.
