Q: I have a heavy-duty circular saw, and the plug on the end of the cord got smashed during a move. My mother has a lamp with a damaged plug, too. I don’t use the saw much, so I don’t want to dump too ...

Q: When I plugged my cell phone charger into a kitchen outlet, my phone didn’t start charging—the electrical outlet was not working. Is there something I can do to fix the outlet myself, or should I ...