The present invention relates to a power-saving neon transformer that turns on a neon tube by converting it into a high voltage through a transformer by using electric power used for lighting of an indoor lamp, the primary circuit (4) and the secondary circuit (6) The primary circuit of the neon transformer 1 is composed of an electric circuit capable of selecting a specific voltage value within a range of 0 to 40 V, and the indoor circuit of the indoor lamp 2 connected to the specific voltage value of the primary circuit ( 3) By using the power flowing through the secondary circuit consisting of a high voltage in accordance with the lighting of the neon tube (5) to convert to a high voltage, according to the power of the indoor lamp (3) so that the neon tube (5) can also be turned on at the same time. One power saving neon transformer.
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