Malfunctioning recessed can light may be overheating

Q: A while ago you wrote about how to install a recessed can light. I already have this type of light, but I am having a problem with it. After it has been on for a while, it will sometimes just automatically turn off. Is this a problem with the electricity, the fixture or what?

A: You’re probably thinking that blinking lights don’t belong in the house, but that they belong outside during the holiday season.

It sounds like it’s the light fixture. Not that it’s broken, but that it is getting too warm and shutting down.

The can light you describe is likely an IC-rated light fixture. IC stands for insulation compatible, which means that insulation can be installed directly in contact with the light fixture. This fixture has a temperature cut-off switch in case it gets too hot.

There are several reasons why the fixture may be getting too hot. The easiest fix is to check the manufacturer’s label inside the light to determine if the correct light bulb and trim kit are being used.

The label will be inside the fixture, so you will have to unscrew the bulb to read it. It will tell you the different light bulbs that are compatible, as well as the maximum wattages. Your problem may be fixed by simply replacing the bulb.

These fixtures usually have a height adjustment feature for the bulb. If your fixture has such an adjustment, lower the bulb downward. This will allow less heat to build up inside the can.

Also, check the label to make sure the trim is compatible with