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After previous connectors were deprecated in USB 3.2, the new USB-C plug has become a new standard for charging (and data transfer) over USB. [ 13 ] In the European Union, the Radio Equipment Directive 2021/0291 , requires new smartphones to use USB-C as a universal charger by the end of 2024, and laptops by 2026.
The USB 3.0 Micro-B plug effectively consists of a standard USB 2.0 Micro-B cable plug, with an additional 5 pins plug "stacked" to the side of it. In this way, cables with smaller 5 pin USB 2.0 Micro-B plugs can be plugged into devices with 10 contact USB 3.0 Micro-B receptacles and achieve backward compatibility.
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.
Each of these plugs is used with a specified voltage range. Most manufacturers use colored insulating materials to distinguish these plugs from other similar-looking DC plugs, and for quick identification between EIAJ plugs of similar size. EIAJ-01: For 0–3.15 V. 2.5 mm OD, 0.7 mm ID. EIAJ-02: For 3.15–6.3 V. 4.0 mm OD, 1.7 mm ID.
Products covered by the standard include cord assemblies of a plug that mates with the standard cigarette receptacle found in automobiles. 6-volt cigarette lighter receptacle and plug. Receptacle inside diameter: 21.34–21.46 mm (median 21.4 mm) Plug body diameter: 21.08–21.23 mm (median 21.155 mm) 12-volt cigarette lighter receptacle and ...
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