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Run＆Teng YCOL668 3A 30W 3V 4.5V 6V 7.5V 9V 12V電源アダプター供給充電器
11,19€

Q: Is it possible to switch polarity on the plugs? I have a device that requires positive on the outside of the barrel, and negative on the pin inside, which is different from what most adapters supply.

尋ねた cpbotha に 2020-07-02 08:17:25

Dan Thepins from the connector to the plug are already physically polarised. On the plug, one of the pins is larger than the other. This prevents inversion.

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