Which of the following best describes an overload?

An overload refers to a situation where the current flowing through a circuit exceeds the maximum current that the circuit was designed to carry safely, which is known as the normal full load rating. This condition can lead to excessive heat generation, which can damage components and pose safety hazards like fires. Overloads are typically caused by excessive demand from connected equipment or appliances that draw more current than the circuit can handle.

Identifying an overload is crucial for proper circuit protection, which is usually managed by circuit breakers or fuses that are rated to detect such conditions and interrupt the electrical flow before damage occurs. Understanding this concept helps in designing circuits and selecting appropriate protective devices to ensure the safety and efficiency of electrical systems.