electrical outlet; wall socket
Refers to a physical power outlet or socket, typically on a wall or power strip. The gloss 'electrical power' is a less common extension; the primary meaning is the outlet itself.
Please connect the laptop to the electrical outlet.
There are only two wall sockets in this room.
Compound of 電源 (power source) and コンセント (outlet, from English 'concentric plug'). The term is a modern technical compound.