It means the same thing today. Seeing “UL Listed” on the label of a product assures you, as a consumer, that it will work as expected, and doesn’t pose a safety risk to you. In other words ...

If you’ve plugged in an extension cord, swapped out a light fixture, or made a piece of toast, you’ve likely used a UL-listed product. The small UL mark you see on labels or stamped on ...