The answer to 'why is my recessed lighting sparking' is that there could be several common causes, including faulty wiring, a loose connection, or a problem with the light fixture itself. Sparking in recessed lighting is a serious issue that requires immediate attention, as it can be a fire hazard.
Some of the most common symptoms of sparking recessed lighting include visible sparks, flickering or dimming lights, burning smells, or tripped circuit breakers. If you notice any of these issues, it's important to shut off power to the affected lights and call a licensed electrician right away. Attempting to troubleshoot or repair sparking recessed lighting yourself can be extremely dangerous and is not recommended for homeowners.