AC power plugs and sockets are hardware devices that allow electrical appliances to connect to an alternating current (AC) power supply, typically from a wall outlet. These components are essential for distributing electrical power safely and efficiently. ### Components 1. **AC Power Plugs**: - A plug is a device with one or more metal pins (or blades) that connect to the receptacle (socket) when inserted. The plug conducts electrical current from the power source to the appliance.