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  2. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    NEMA 1-15P (two-pole, no ground) and NEMA 5-15P (two-pole with ground pin) plugs are used on common domestic electrical equipment, and NEMA 5-15R is the standard 15-ampere electric receptacle (outlet) found in the United States, and under relevant national standards, in Canada (CSA C22.2 No. 42 [1]), Mexico (NMX-J-163-ANCE) and Japan (JIS C 8303).

  3. History of AC power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/History_of_AC_power_plugs...

    U.S. patent 774,250.The first US power plug and socket dated 1904. Several early American electrical plug and socket arrangements were invented by Harvey Hubbell.On 26 February 1903 he filed two patent applications featuring 2-pin plugs and adaptors for using his plugs with existing designs of lamp sockets and wall receptacles.

  4. AC power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/AC_power_plugs_and_sockets

    Single-phase sockets have receptacles for two power pins, one to carry the electrical current from the power source to the connected device (called live, line, or phrase pin) and another one to carry it back to the power source (called neutral pin). Many sockets have a third receptacle or pin for a safety connection to earth ground.

  5. Walmart's early Black Friday deals are rivaling Amazon ... - AOL

    www.aol.com/lifestyle/walmarts-black-friday...

    For a limited time only, score this must-have kitchen gadget on sale for $127 at Walmart, while it's $170 at Amazon. $127 at Walmart. Walmart. Yankee Candle Spiced Pumpkin Candle.

  6. 40 of Walmart's best after Christmas sales: Planners, TVs ...

    www.aol.com/lifestyle/walmart-after-christmas...

    Get deals on holiday storage, 2024 planners, space heaters and more during Walmart's after-Christmas sales.

  7. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    IEC 60309 (formerly IEC 309 and CEE 17, also published by CENELEC as EN 60309) is a series of international standards from the International Electrotechnical Commission (IEC) for "plugs, socket-outlets and couplers for industrial purposes".