Well, of course wire directionality wouldn’t show up anywhere except among audiophiles because wire directionality is really defined as the reason wires, cables and fuses SOUND better in one direction than the other. SOUND better in the artistic or sensual or subjective sense.
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It’s not rocket science. You can establish correct direction of the tiny wire, or any wire, by measuring resistance of a length of wire....
If "SOUND" was a characteristic of a wire, inherently different depending on which direction the signals are flowing, that had zero effect on any other use for a wire, perhaps. But, if that characteristic that affects "SOUND" could be reliably measured with a material difference in resistance, one would think someone outside of audio, and likely smarter than most of us, might care enough to at least have considered whether that difference matters even a tiny bit when billions of lives or, more importantly to many, trillions of dollars could be at stake. Subjective sound, in a non-sound application, might not matter, but an objective difference in resistance probably would.
I have no idea whether anyone does or not, which is why I asked the prior question about directionality outside of the hobby. Does the super-smart person or robot designing and/or assembling some super-sensitive component, critical to something more important than our super-cool stereos measure each wire each way to determine which way it should installed? In so doing, actually considering directionality, even if it might not be called "directionality" outside of the hobby.
