You probably already know how to reset a circuit breaker, but what about your kids or baby-sitter? Use this tutorial to show them how.

We asked an expert to explain all the problems that can cause tripped circuits, how to check your circuit breaker, and when to call a professional.

Remember, circuit breakers usually trip for a reason. Taking a methodical approach to determine the cause is the best way to provide a solution.

Usually, you can easily see which circuit breaker has “tripped,” or turned off, by just looking at the position of the switches.

The circuit breaker is one of the most important but least understood parts of your home electrical system, keeping you safe from electrical fires. Appliance Science looks at how they work.

Perhaps you’ve noticed that the lights in your travel trailer dim unexpectedly. Maybe your air conditioner doesn’t sound right, or the food in your refrigerator isn’t staying cold. These and many more ...