So I'm doing some wiring in my garage, nothing real complicated. I took off a switch for an overhead light and put in a switch/outlet combo because I needed one. I wired it correctly. It is wired just like this, just with the ground attached as well.

Anyway, wired it all up and the light switch works, but the outlet doesn't. Besides that, the other outlets and lights in the garage are now out. What the hell happened?

Thanks very much. I really hope I'm not fucked.