Where can I buy wall plug enclosures?

Hardware
1

Hello,
Does anyone know where can I buy cases like the one on the screenshot below?

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I want to build esphome sensors that just plug and hold themselves on a wall plug, but I don’t find any case that has the shape of a wall plug so I can put my components inside.
Does anyone know how it is called or where can I buy them?

2

did you look in EBAY

3

Nope, good point.
Do you have an idea of the search terms? Because I’m clueless