Here's one of my favorites - it comes in handy for a bunch of stuff.
If something electronic or electrical goes out - unplug for 30 seconds (minimum).
We have satellite TV and when it goes out unplugging works like a charm.
Also, when our fridge takes an electrical hit, the ice and water dispensers go out on the door panel. Shutting off the juice at the electrical box (for 30 seconds) brings it right back up.
