I cropped the image to get a close up and here is the rest of the story.

Note: UL does not approve they list or label and the CSA I believe does the same.
http://www.nachi.org/bbsystem/usrimages/1/100_03031.JPG
http://www.nachi.org/bbsystem/usrimages/1/100_03041.JPG

Joe Tedesco, NEC Consultant