Basically what is inside that allows wires to transfer only energy, only data, or both?
In: Technology
Finally, one I’m a pro in. I’m a professional network engineer.
It basically boils down to the number of strands of wire inside the cable. Power only will have 2 or 3: positive, negative and ground (optional). When features are added then more wires are added as well.
Hence why your phone charger cable is so thin compared to a power/data/video/audio USB-C
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