![](https://www.energy.gov/sites/prod/files/styles/thumbnail/public/cls_poe-cable-pt2_0.jpg?itok=cAZq5uvY)
PoE Connected Lighting System Energy Losses in Ethernet Cables – Part 2
The U.S. Department of Energy (DOE) has released the latest findings (Part 2) from a continued investigation into energy losses in Ethernet cables used between Power over Ethernet (PoE) switches and luminaires in PoE connected lighting systems. Testing was …