An electrical overload occurs when an electrical circuit attempts to carry more electricity than it is designed to handle. This commonly manifests as a tripped circuit breaker or a blown fuse, representing a safety mechanism to prevent overheating and potential fire hazards. For example, plugging multiple high-wattage appliances into a single outlet or circuit can easily cause an overload.
Addressing this issue promptly is crucial for maintaining electrical safety within a building. Overloaded circuits present a significant fire risk due to the excessive heat generated in wiring and components. Avoiding such situations protects property and, more importantly, human life. Historically, the development of circuit breakers and fuses aimed to mitigate this very problem, providing a simple yet effective method for preventing electrical fires and damage.