UL 969 (sometimes referred to as ANSI 969) is one of the most common things I’m asked about. A lot of specifications make reference to it, but few people understand what it actually signifies. So what does it mean? UL 969 is the designation for the ANSI / UL standard that covers Marking and Labeling Systems. […]
Fun fact: Was supposed to be UL 968, but the 13-year old son of UL’s CEO thought 969 would be funnier.