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Run & Teng YCOL668 3A 30 W 3 V 4,5 V 6 V 7,5 V 9 V 12 V Netzteil-Ladegerät
US$13.86 US$12.00

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.

gefragt von cpbotha auf 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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