What is a common indication of electrical overload?

A frequent circuit breaker trip is a classic sign of electrical overload. When too many devices are drawing power from a circuit, it can exceed the safe current level that the circuit breakers are designed to handle. As a protective measure, circuit breakers are engineered to trip (shut off) to prevent overheating and potential fire hazards. Each time the load exceeds the rated limit, the breaker interrupts the power supply, indicating that the system is being overstressed. In contrast, while reduced lighting, increased energy bills, and constant humming sounds can also be symptoms of electrical issues, they do not specifically point to the condition of overload in the same direct way a tripping breaker does. The consistent response of breakers tripping under heavy load is a clear and immediate indicator of such a problem needing attention.