The answer to 'recessed lighting outlet not working' is that there are several common causes, including a tripped circuit breaker, a faulty light fixture, or a problem with the wiring. Symptoms may include the lights not turning on at all or flickering/dimming. Solutions can range from resetting the breaker to replacing the fixture or wiring, depending on the specific issue.
If the problem is a simple tripped breaker or a faulty light fixture, those may be DIY-friendly fixes. However, any issues with the wiring or electrical system should be handled by a licensed and experienced electrician, as working with live electrical components can be extremely dangerous for untrained homeowners.