Plug types refer to the various designs of electrical plugs used to connect devices to power sources. Different countries have adopted specific plug configurations, which can vary in shape, size, and pin arrangement. Common examples include the Type A plug used in North America and the Type C plug commonly found in Europe. Understanding plug types is essential for travelers and those using international electronics. Adapters may be required to ensure compatibility between devices and local power outlets. Additionally, safety standards differ by region, making it important to use the correct plug type to prevent electrical hazards.