Unfortunately, without the internet I would not have half of the knowledge I do now, I cannot refuse credit where it is due, and I think the internet did give us access to information we otherwise never have had. Internet does have its downsides, however the internet did make research a lot easier for people. While it is true people could go to a public library to read books on what they wanted to learn about, it's not as convenient as being able to access online archives from your own computer and a few mouse clicks away.
It is because of the internet that I was able to learn more about electrical safety. For example, while USB chargers are not normally an electric shock hazard, there are circumstances where it could be even with the low voltages we're dealing with, because skin resistance drops when wet, making it possible for current to pass through the body, and it does not take much current to kill you, if the charger was faulty, it most certainly can deliver that kind of shock. The takeaway is, always be mindful of electrical safety, and never assume there is no risk.
I have to learn about these things same as anyone else, because like many other people do today, I use electronics in my daily life a lot, even if it's just for listening to music on my portable music player with my headphones. I also use internet to buy and download songs as well on Amazon, Beatport and Bandcamp as well so the internet is useful both for entertainment and education. But in the modern age of AC and DC, the internet and people who share knowledge on it can be a life saver, and our lives would be unequivocally worse off without it, people take bad risks with electricals and it does not help to shield them from the realities of this, or anything about health and safety.
However since this is a topic about life without the internet, well, that is not hard to imagine since people who know the My Little Pony FIM fan fiction I was working on involved being in a world without internet, after my therapy session I will see what more could be added to my fanfic, I came up with some random concepts but not thought of a way to extend the story properly, I don't know if I would ever be able to finish it on my own or if it's even worth uploading to fimfiction, however it's not something I expect to be popular, I am not doing it for publicity, it's a what if scenario like any other fan fiction out there, I discuss my fan fiction with friends, which people on this forum are friends, but that's about it, it's the reason why I have not published it, I don't see the point, even if it were finished. A person who wishes to be a Pony in Equestria, like me, not exactly what most people would consider "normal", and it's not a fantasy I like discussing outside this forum either, certainly not publicly. However if it was not for the internet, I most likely never would have become a fan of MLP FIM even with its advertisement on TV, so there's that, the internet and people who use it got me into a lot of different fictions I previously did not know I would ever like. Clearly there's more to MLP FIM than a show for little girls.
I don't believe Equestria in G4 prolificated the use of AC never mind DC which came later in our world, but they did have other things in their world that could be considered potential hazards such as wild predators like Timberwolves and Dragons. Equestrians were not oblivious to the threats in their world though, they were already afraid of dragons who might try to eat them. Many fictional worlds had their hazards and it was not uncommon for dragons to be depicted as predators, like in the Flight of Dragons movie where they were said to have eaten cows and even eggs from another dragon.