The answer to 'why is my fuse box sparking' is that a sparking fuse box is a serious electrical issue that requires immediate attention. Sparking can be caused by a short circuit, overloaded circuit, or faulty wiring, and it poses a significant fire hazard. If you notice any sparking or arcing in your fuse box, you should turn off the power to the affected circuit immediately and call a licensed electrician to diagnose and repair the problem.
Attempting to troubleshoot or repair a sparking fuse box yourself can be extremely dangerous and should not be done. Electrical work requires specialized knowledge and training to ensure safety, and attempting DIY repairs could result in further damage or even injury. A professional electrician will be able to identify the root cause of the sparking and make the necessary repairs to restore safe, reliable electrical service to your home.