electrical - Is white wire with grey stripes positive or negative

I want to re-wire an AC to DC power adapter for an ONT (Optical Network Terminal - AKA Fibre Box mounted on a wall) and replace the adapter with a standard DC plug. This is because I want to connec

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Can I tell by wire markings on AD/DC power supply which wire is positive and which is negative? : r/AskElectronics

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Which is positive when you only have 2 wires, blue or white? - Quora

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