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  1. 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.

  2. Plugs and sockets for electrical appliances not hardwired to mains electricity originated in the United Kingdom in the 1870s and were initially two-pin designs. These were usually sold as a mating pair, but gradually de facto and then official standards arose to enable the interchange of compatible devices.

  3. Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices.

  4. 22 sty 2024 · Plug & socket types around the world. There are currently 15 types of domestic electrical outlet plugs in use worldwide, each of which has been assigned a letter by the US Department of Commerce International Trade Administration (ITA), starting with A and moving through the alphabet.

  5. iectest.iec.ch › world-plugsWorld plugs - IEC

    World plugs. Seasoned travellers are well aware of the many different plugs and sockets in use around the world. IEC created a plug and socket zone that is both informative and practical, start exploring. Select a location, electric potential or frequency to discover what plug type (s), voltage and frequency are used there.

  6. 23 sty 2024 · Country-by-country list of plugs, sockets and voltages. Below is a full overview of all countries of the world and their respective plugs/outlets and voltages/frequencies used for domestic appliances. The table shows that in most countries the mains supply is between 220 and 240 volts (50 or 60 Hz); countries that operate on 100-127 volts are ...

  7. Plugs and sockets, introduced in 1947, were the result of many years of study and debate into the needs of post-war housing. A single plug, rated at 13A, was intended to replace the 2A, 5A land 15A BS 546 plugs and other 7A - 10A non-standard plugs. Safety aspects were an important issue in development of the new plug and socket.

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