Your exactly right, this was a stretch on my part!(my own statement above) First off you have to understand that our state NC have ten various licenses and a sign license is one of them.
NC Board It's been made clear in the laws,
reading the bi-yearly newsletter that the board of the state has made it perfectly clear that having one doesn't necessarily allow one to dwell in another license.
The manufactures NRTL label at install I can understand the UL, not so much. JMO I even took the time to research my State requirements but never found the exact statement to anything being UL listed at the State level, If I dealt with that principle I would know all the laws!
Now I know that there are requirements to be met and maintained being with either one! I can only summarize that's exactly what happened in blue-above.
Since the Article, I've tried to see any UL sticker on new installs of signs about town, mostly I just see the city numbered sticker... and not that one or both of the other stickers just don't exist. I also don't want to look like I'm casing the joint
I feel sometimes that there's a lot of umbrella's floating around that do electrical work, since mechanical, LV guys can have some electrical install rights, this I see on bigger jobs, it's both curious and stunning at times.
Thanks for the observations and thoughts.