What is the primary purpose of circuit breakers in an electrical panel?

The primary purpose of circuit breakers in an electrical panel is to prevent overload by interrupting the circuit. Circuit breakers are designed to automatically shut off the flow of electricity when they detect an overload or fault condition, such as a short circuit or excessive current. This protective function is crucial for ensuring safety and preventing damage to electrical systems and connected devices.

When a circuit experiences more current than it can handle, the circuit breaker senses this condition and trips, effectively opening the circuit. This prevents overheating of wires, potential fires, and damage to appliances. Thus, circuit breakers serve as a vital safety mechanism in residential and commercial electrical systems, enabling safe energy consumption while protecting against risks associated with electrical faults.

The other options do not align with the primary function of circuit breakers. Enhancing power output, storing energy, and converting AC to DC are tasks associated with different electrical components, but not with the fundamental role of circuit breakers. Their focus remains solely on protection and safety within electrical systems.