The answer to 'why is my light fixture' is that there are several common causes for a malfunctioning light fixture, including a burned-out bulb, a loose connection, a faulty switch or socket, or a problem with the home's electrical wiring. Symptoms may include the light not turning on, flickering, or making buzzing noises. Potential solutions can range from simply replacing the bulb to more complex electrical repairs.
For simple issues like a burned-out bulb, homeowners can often safely perform DIY troubleshooting and repairs. However, for more complex problems involving the electrical wiring or components, it's generally recommended to call a licensed electrician to diagnose and fix the issue to ensure safety and proper functioning.