Idea – LED Inspired Power Cables?

The problem is that when you transmit a lot of energy in electric wires they could get very hot. So the solution is to increase the cross section area. I wonder however if energy lost in the form of infrared radiation could be lesser even in thin wires. If you could control the light emitted by the wire. Could you then control the energy loss to some degree? What I imagine is that if the wire emit mostly visible light like a LED. The energy loss could be lesser than if the wire would radiate infrared light.

So the idea is to see if a wire with something like light emitting diode capabilities could prove useful.

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