We all know we need to be careful around high voltage electrical lines, yet an occasional reminder helps. Watch this 18 second video of what happens to a tree branch that falls onto overhead power lines. It really is wonderful to her the moisture singing and see the eruption of flames.

[youtube=http://www.youtube.com/watch?v=DYktDghfoFM]

If you have a few more minutes, brush up on the helpful concepts on electricity available at ConstructionKnowledge.net.