premise: How to align garage door sensors<br>Turn off the power to your sensors by tripping the fuse for your garage. You'll find this in your home's breaker box. [substeps] You won't actually be working with the electrical wiring, but it's always best to be safe when working with electricity.
hypothesis: Fuse box is the same as breaker box.
reason: The author does not state that fuse box and breaker box are the same.