This power strip will NOT accept standard US polarized plugs. This is the guy with the big pin on the neutral side of the connector. The hole for the extension socket is correct, but the socket itself is too small. This is potentially unsafe, especially if one wants to "cheat" the system and modify the connector in some way to fit. The plugs are polarized for some reason and there is no excuse for this device not being properly designed for the purpose.
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