What is a common sign of electrical overload?

Frequent circuit breaker trips are a clear sign of electrical overload. When too much current flows through a circuit, it generates excessive heat that can be dangerous. To prevent overheating and potential fire hazards, circuit breakers are designed to automatically shut off when they detect overcurrent conditions. This safety mechanism ensures that electrical systems remain within safe operating limits. Therefore, if you notice that circuit breakers are frequently tripping, it indicates that the circuit is overloaded and is a clear warning that immediate attention is needed.

Other options, while they might indicate electrical issues, are not as directly connected to the phenomenon of overload. Fluctuating voltage could suggest other electrical or system issues rather than simply an overload situation. Low outlet voltage might also result from various factors, including electrical resistance or poor connections, rather than overload alone. High energy costs can stem from many sources, such as inefficient appliances or increased usage, but do not specifically indicate an electrical overload condition.