You can say that about a lot of things. Like anything involving an angle grinder. You can split your face with it into two if it breaks down. Best thing is testing your homebrew inverter using an angle grinder with no protection on either the grinder, or the inverter or your face.
The world would be quite boring without some fearless people like these.
Though it would have been nice to mention not to buy your mosfets from aliexpress/ebay for $0.8/10pcs (some mosfets are quite pregnant [1]). But looks like one commenter already pointed that out on instructables.
Electricity is not to be feared but rather respected. It is a powerful force that lives in our wall, pockets, cars, the air, the ground, and even something that drives our biological function.
That being said, this is not going to be someone’s first project. It probably won’t be their second project. I’m not sure my faith in people’s self preservation is rooted in my confidence that people generally want to be safe or some rather bleak, Darwinistic thinking that eventually only those who do projects recklessly will be “selected out.” In any case, you can work on these systems safely and it’s just mains voltage.
Humans have introduced more complexity to our lives as our technology has progressed, all with thought-to-be grave safety implications. The advent of the motor carriages had one city making a law stating that someone had to be on foot, waving a flag preceding the motorized vehicle at all times. People love to catastrophize, claim the sky is falling, and wax poetically about how far we have strayed from “the lord.”
You all are right, it is unlikely that anyone will actually follow this recipe. I guess I’m taken aback that some pretty serious electrical engineering has been turned into a step by step tutorial with little mention of the potential risks.
If an inexperienced person does decide to save some money on an inverter by following these steps (as is implied), it could very quickly turn into “how to electrocute yourself and burn down your house in 10 easy steps.” I would not want to be liable for promoting or hosting such content. Similar to the issue with the “very cool” electric wood burning fad that killed a few people.
