The answer to 'electrical wiring sparking' is that there are several common causes, including loose connections, damaged wiring, overloaded circuits, and moisture or water exposure. Sparking can be a serious fire hazard and should be addressed immediately.
Some common symptoms of wiring sparking include visible arcing or sparks, flickering or dimming lights, and a burning smell. Solutions may involve tightening connections, replacing damaged wires, upgrading circuit breakers, or addressing moisture issues. However, it's important to note that electrical work can be dangerous, so it's generally best to call a licensed electrician unless you have significant experience working with electrical systems.