The answer to 'fuse box burning smell' is that a burning smell coming from your electrical fuse box is a serious issue that requires immediate attention. This could indicate an overloaded circuit, faulty wiring, or a more serious electrical problem that poses a fire hazard.
Common causes include a short circuit, loose connections, outdated or damaged fuses/breakers, and overloaded circuits. Symptoms may include flickering lights, tripped breakers, and a burning or acrid smell. If you notice any of these signs, it's crucial to shut off power to the fuse box immediately and call a licensed electrician to diagnose and resolve the issue. Attempting DIY repairs on an electrical system with a burning smell can be extremely dangerous and should be avoided.