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AC power plugs and sockets connect devices to mains electricity to supply them with electrical power. 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.
In Italy, CEI 23-50 is the dominant standard and it also includes Schuko sockets (P 30 = CEE 7/3) and plugs (S 30 = CEE 7/4, S 31 = CEE 7/7, S 32 = CEE 7/17). Appliances are commonly sold with Schuko-type plugs (as well as Europlugs ), while Italian-type plugs have become rare today and almost only power strips, cable reels and adaptors are ...
Another requirement is to provide low-voltage electricity to a device from mains electricity; this would be done by what is usually called a power supply. Most modern electronic devices require between 1.5 and 24 volts DC; lower-powered devices at these voltages can often work either from batteries or mains. Some devices incorporate a power ...
The International Electrotechnical Commission (IEC) publishes a web microsite World Plugs [1] which provides the main source for this page, except where other sources are indicated. World Plugs includes some history, a description of plug types, and a list of countries giving the type(s) used and the mains voltage and frequency.
Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [31] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...
An adapter or adaptor [1] is a device that converts attributes of one electrical device or system to those of an otherwise incompatible device or system. Some modify power or signal attributes, while others merely adapt the physical form of one connector to another.
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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.