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In my bathroom there is a plug that has a "Test" and a "Reset" button. When I push the "Test" button, it cuts off the current to the outlet. What is this? How is it different from the fuse in the fuse box?
Lots of turkeys sold in the United States come with a cool little piece of technology -- the pop-up timer! There's no guess work involved. Learn how pop-up timers know when the turkey is done.