In Chengdu, China, the standard electrical system operates on a voltage of 220V and a frequency of 50Hz. The city primarily utilizes three types of power plugs and sockets: Type A, which features two flat parallel pins; Type C, which has two round pins; and Type I, which consists of three flat pins in a triangular pattern. Most modern Chinese wall sockets are multi-functional, typically featuring a top slot that can accommodate both Type A and Type C plugs, and a bottom slot specifically designed for Type I plugs. While many travelers from North America or Japan may find their two-prong Type A devices fit directly into the top slot, those with three-prong grounded plugs will require an adapter. Additionally, because the 220V standard is significantly higher than the 110V used in countries like the United States, it is essential to check if your devices are dual-voltage (labeled 100-240V). If a device is not dual-voltage, a voltage converter is necessary to prevent damage. Most international hotels in Chengdu provide at least one universal socket or have adapters available, but carrying a dedicated travel adapter that supports types A, C, and I is highly recommended for consistent access.