The product above is listed, and I have accepted them during my career. What's the problem anyway! Seems like the UL Standard should be reviewed before any final decisions are made. I will gaurantee that I can find some missing KO's in almost every building and if they were sealed with the seal above I would sleep very sound.
The purpose of the seal is to keep the fault inside of the enclosure, and to keep the animals, and fingers, and sticks, and rods, and, and, and, out!
