I was doing some clean up after doing some electrical so I plugged in my big shop vac to a receptacle that I had just finished working on but had not stuffed back inside the wall.
Here is what the 14 gauge wires looked like after running the shop vac for about 5 minutes.
![](http://ecorenovator.org/forum/attachment.php?attachmentid=7229&stc=1&d=1473792552)