A ‘socket’ is the physical thing that you buy at the DIY store. ‘Outlet’ refers more to the function. You get your power from an outlet by putting your device’s plug into a socket. I look for outlets when I enter a new hotel room.. An electrician installs receptacles and sockets.

The terms you've provided are generally correct and widely understood, but there can be some regional variations in terminology. Here's a breakdown of these terms: Power Strip: This term is commonly used to describe a device with multiple outlets where you can plug in several electrical devices simultaneously. In most English-speaking regions, this term is widely recognized and used. Power Socket: This term refers to the receptacle in the wall where you plug in the power plug of an electrical device. It's also commonly referred to as an "outlet" or "electrical outlet." There may be slight regional variations in the specific word used, but the concept is generally the same. Power Plug: This term typically refers to the part of an electrical device or cord that is inserted into a power socket or outlet. It's also sometimes called a "plug" or simply an "electrical plug." The term "plug" is quite universal in English. While these terms are generally consistent across English-speaking regions, there can be some minor variations in language and dialect. For example, in British English, "power strip" is often referred to as an "extension lead" or simply "extension." In Australian English, similar terms may be used, but the meaning is still clear in context. In summary, the terms you've provided are generally correct and understood, with potential regional differences in specific word choices. However, the core concepts are consistent across regions.

They all seem correct to me (US). For 'power socket' we may more commonly call it an 'outlet' or 'power outlet,' but generally 'socket' would be understood. For 'power strip,' we may also call it a 'surge protector,' as power strips often have this functionality.