The answer to 'fuse box sparking' is that a sparking fuse box is a serious electrical issue that requires immediate attention from a professional electrician. Sparking in the fuse box is often caused by a short circuit, overloaded circuit, or faulty wiring, and can be a fire hazard if not addressed promptly.
Some common symptoms of a sparking fuse box include flickering lights, buzzing or crackling noises, and a burning smell. If you notice any of these issues, it's crucial to shut off the power to the fuse box immediately and call a licensed electrician to diagnose and repair the problem. Attempting to fix a sparking fuse box yourself can be extremely dangerous and should never be attempted by a homeowner.