The answer to 'why is my light fixture hot to touch' is that a light fixture that is hot to the touch is often a sign of an electrical issue that needs to be addressed. This can be caused by a variety of factors, such as a problem with the wiring, a malfunctioning light bulb, or an overloaded electrical circuit.
If your light fixture is hot to the touch, it's important to turn off the power to the fixture immediately and inspect it for any visible signs of damage or wear. You should also check the wattage of the light bulb to ensure it is not exceeding the recommended wattage for the fixture. If you are not comfortable troubleshooting the issue yourself, it's best to call a licensed electrician to diagnose and repair the problem.