Forbes contributors publish independent expert analyses and insights. I show you how to save and invest. With the recent market volatility, a reminder on how circuit breakers work may be timely.

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, economics, and public policy. Peter began covering markets at Multex (Reuters) and has ...

Circuit breakers are used in a variety of ways. They are mounted in panelboards to protect branch circuit wiring, and they are built into equipment to protect it. With this range of applications, it's ...