What does it mean if a circuit is overloaded?

When a circuit is described as overloaded, it means that too many devices are connected to it, leading to a demand for current that exceeds the circuit's capacity. Each circuit in a residential electrical system is designed to handle a specific maximum amount of electrical current, typically measured in amperes. If this limit is surpassed, the circuit can overheat, potentially causing damage to the wiring and creating a fire hazard.

This situation arises when multiple high-wattage devices are used simultaneously on the same circuit, exceeding its rated capacity. For example, if a circuit is rated for 15 amps, connecting multiple devices that together draw more than that could result in an overload.

The other options provided do not accurately define a circuit overload. Powering devices above their rated voltage addresses a different issue related to voltage levels rather than current capacity. A circuit that cannot be reset indicates a problem but does not specifically describe an overload situation. Finally, the term "newly installed" does not relate to an overload; it merely describes the age of the circuit. Understanding the overload condition is crucial for maintaining electrical safety and ensuring that circuits are not subjected to damage through misuse or overuse.