Holey Plugs, Batman! But... what are they for? - Summary

Summary

The summary is:

The video is about why US plugs have holes in them and whether they serve any purpose. The narrator tests different outlets and plugs and finds that the holes do not help the plugs stay in place or improve the electrical connection. He also explains the polarization of US plugs and why it is important for safety. He then looks at the NEMA standards and finds that the holes are optional and only intended for manufacturing purposes. He concludes that the holes are not very useful and that US plugs are flawed in many ways. He also defends US plugs from the criticism that they fall out of the wall easily and says that this is only a problem with poorly designed or worn-out receptacles. He ends with some bloopers and a joke about Google and Ask Jeeves.

Facts

Here are the key facts extracted from the text:

1. The text is a transcript of a video about why US plugs have holes in them.
2. The video claims that the holes are not for making the plugs more secure or less likely to fall out of the receptacles.
3. The video shows different types of receptacles and how they make contact with the plug blades, none of which use the holes in any deliberate way.
4. The video cites NEMA, the National Electrical Manufacturers Association, which says that the holes are optional and intended for manufacturing purposes only.
5. The video suggests that the holes may help with aligning the blades and wires when molding the plastic around them.
6. The video also discusses the polarization of US plugs, which means that one blade is wider than the other to enforce polarity between live and neutral.
7. The video defends US plugs against the criticism that they don't stay put, saying that this is mostly due to worn-out or badly-designed receptacles in hotels and travel settings.
8. The video admits that US plugs are flawed in many ways, especially in terms of safety, as the live pin is easy to touch and shock oneself with.

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