The answer to 'circuit breaker sparking' is that a sparking circuit breaker is a common electrical issue that can have several potential causes. The most common reasons for a circuit breaker to spark include an overloaded circuit, a short circuit, or a faulty breaker. Sparking can be a sign of a serious electrical problem that should be addressed promptly to prevent further damage or potential fire hazards.
If you notice a circuit breaker sparking, it's important to first turn off the power to that circuit and avoid resetting the breaker until the underlying issue has been identified and resolved. Attempting to reset a sparking breaker repeatedly can be dangerous and may lead to more significant electrical problems.