The answer to 'recessed lighting burning smell' is that a burning smell from recessed lighting is a serious issue that requires immediate attention. This could indicate an electrical problem, overheating, or a fire hazard. Common causes include faulty wiring, outdated or damaged fixtures, improper installation, or a buildup of dust and debris. Symptoms may include a burning odor, smoke, or even visible flames.
If you notice a burning smell from your recessed lighting, you should immediately turn off the power to that circuit and avoid using the lights until the issue is resolved. Do not try to troubleshoot or repair the problem yourself unless you are a qualified electrician. Attempting DIY electrical work can be extremely dangerous and may result in further damage or even a fire. It's best to call a licensed and insured electrician to diagnose and fix the problem safely.