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If you are unplugging some electronic equiment from your outlet extender, sometimes you have to guess which power supply is correct. Often you follow the cord back through the tangled mess, and guess the wrong one.
It would be nice if each electronic devices had an "PS LED" button on it. This button
sends a signal down the wire, telling the Power Supply to flash a built in LED. Then you know for sure that you're unplugging the right unit.
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||i just unplug the wires and untagle them
||try sticky labels on your plugs
||Or use an inductive amplifier. - Nevermind, thats just how I do it, but Im weird.
||I prefer to turn everything on and just seee how much havoc I can cause before I find the correct cord.