A useful source:
https://worldofsockets.com/
this post was submitted on 29 Jul 2025
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Type N might not be the best but it was like a gift from heavens here in Brazil. We had no standard before it so most outlets would take one or two unsafe options; most houses would not ground their outlets, people would yank out the ground pin from plugs to make them fit; washing machines would often come with a completely different plug that some houses would just have a different outlet for, while others would use adapters. And so many other issues.
Nowadays you don't even need to see what you're doing because you can just stick your hand into outlets to feel where it is and insert the plug blindly without any risk.
When did type N become common?
It became mandatory for all new products in 2011, so a few years after that most people were used to it, though there's many people still using adapters to this day.
In north America most dryers don't come with a cable because there's two different plugs that they use and the manufacturer just leaves it up to you to install the right one for your house
It is the best but for one fault: both 120V and 240V versions are compatible.
Otherwise, it's got every single technical advantage of F (Schuko), while being cheaper to manufacture and install.