https://www.anixter.com/en_us/resources/videos/technical-video-library/ul-listing-and-ce-marking-difference.html#:~:text=In%20the%20United%20States%2C%20the,verified%20by%20third%2Dparty%20testing.&text=Unlike%20the%20UL%20Listing%20in,for%20products%20used%20in%20construction.