You might think that this also means two cables, a beefy one to carry the current needed to run the thing, and thin little twisted pairs for the data. But no! Power over Ethernet (PoE) allows you ...

HDMI Extender With Power Over Cable Power Supply: Adopt POC technology, power over cable, only one power adapter is needed to connect to the TX terminal can support the entire device's operation ...

The bureau said the power cables for the project will "potentially ... a law in 2021 stripping local governments of most control over where and how power lines from offshore wind energy projects ...