[meatmanek]

Oh god how I hate those things.

There may be some sort of benefit to using the screw down type of connector, but I personally prefer crimp connectors. They stick straight out, which is nice most of the time, the wires aren't horribly bent inside of them, and they tend to look nicer. The screw-down types tend to only hold by half of the strands (the other half stays to the side of the screw, and tends to cause problems.) In addition, your freshman electrical guys are a lot less likely to have strands of copper sticking out of the side of a crimp, and it's a lot easier to heat shrink over a crimp. It's also fairly easy to solder a crimp for extra strength.

Maybe we've just never done the screw terminals properly.