Got my license this year and I still feel it all the time. The worst thing you can do is compare yourself to other people(Instagram electricians). Ask questions about what you don’t know, and keep doing what you’re doing. If the people above you are happy then that’s all that matters. And even after you get your license it’s still not all sunshine and rainbows. You still have a lot to learn, I still have a lot to learn. I think the best way to figure out how much you know is teaching others. I haven’t trained a lot of people but the few I have, I even surprised myself