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An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.
A North American power strip with two USB power ports that includes a built in surge protector. A power strip (also known as a multi-socket, power board and many other variations [a]) is a block of electrical sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from a single electrical socket.
100 W wall charger, 100 W USB-C cable. USB Multiport adapter: 100 W USB-C PD port, integrated 100 W USB cable. Output -30 W Smartphone charging: The USB Multiport adapter integrated 100 W USB cable connected to the phone, and the USB-C cable connected to the USB multiport hub PD port, and the wall charger. Output -1.5 W 8k HDMI cable connected ...
A plug is the connector attached to an electrically-operated device, often via a cable. A socket (also known as a receptacle or outlet) is fixed in place, often on the internal walls of buildings, and is connected to an AC electrical circuit. Inserting ("plugging in") the plug into the socket allows the device to draw power from this circuit.
A DC connector (or DC plug, for one common type) ... Wall sockets with built-in USB power adapters and USB sockets are available. In 2009, ...
An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...