Instead, such boxes contain a panel of electromechanical switches called circuit breakers. Typically, a breaker contains an electromagnet through which the current flows.

Identifying Different Breaker Switches and Buttons While a breaker panel might look intimidating, most of the switches have the same basic function and are designed for homeowner use. Main circuit ...

Circuit breakers came into vogue around the 1940s and have become more or less the standard for electrical safety in all buildings. If you open up the electrical box in your home and see a bunch ...