Yes and it is not illegal, provided you use it for the correct application, using POE.

This is going to be interesting. Full control over your lights, RGB and the option of warm white or cool while at the touch of a button, who still uses buttons, that's so 80's.

Now all you need, a solar panel and inverter to control the voltage and you have a smart house with backup. What more do you need living in SA.

Well I suppose water, a gas stove and geysers ,electricity and basically any service that the your local council supplies