In the name of science, I introduced three of the worst 12V adapters (from My kingdom for a 12V adapter) to my bandsaw. What I found may shock you. First on the chopping block, the “EH1205”. Wait!

My wife has an iPhone 3GS and she's lost the AC charging adapter. I told her I thought all AC adapters for USB devices were equivalent (we have several others lying around the house). She is afraid of ...