The answer to 'why is my electrical panel sparking' is that it is a serious issue that requires immediate attention. Sparking in an electrical panel is often a sign of an underlying electrical problem, such as a short circuit, loose connection, or faulty component. This can pose a significant fire hazard and should not be ignored.
Some common causes of a sparking electrical panel include overloaded circuits, water damage, rodent damage, or aging and worn components. Symptoms may include flickering lights, buzzing noises, or a burning smell. If you notice any sparking in your electrical panel, it's crucial to shut off the power to the panel immediately and call a licensed electrician to diagnose and repair the issue.