The answer to 'light fixture dimming lights' is that there are several common causes, including faulty dimmer switches, loose wiring connections, and compatibility issues between the light fixture and dimmer. Symptoms may include flickering, buzzing, or inconsistent dimming. Solutions can range from replacing the dimmer switch to rewiring the fixture, and in some cases, replacing the entire fixture.
If the problem is a simple issue like a loose connection, a homeowner may be able to troubleshoot and fix it themselves. However, if the issue is more complex, such as needing to rewire the fixture or replace the dimmer, it's best to call a licensed electrician to ensure the work is done safely and up to code.