![Polarity Adapter Polarity Adapter](https://www.prostage.eu/48/polarity-adapter.jpg)
![Polarity Adapter Polarity Adapter](https://www.prostage.eu/48/polarity-adapter.jpg)
By default the negative pole is on the inner pin of the power socket. But even here there are manufacturers who do the opposite. In this case, you can invert the polarity with the red marked adapter. Do NOT use the polarity adaptor together with the 5-plugs distribution cable.
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