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  2. Three-prong adaptor - Wikipedia

    en.wikipedia.org/wiki/Three-prong_adaptor

    In 1971, the US National Electrical Code (NEC) required grounded receptacles in all locations of the home (effective January 1, 1974). [8] Safety.

  3. Harmonics (electrical power) - Wikipedia

    en.wikipedia.org/wiki/Harmonics_(electrical_power)

    In a normal alternating current power system, the current varies sinusoidally at a specific frequency, usually 50 or 60 hertz.When a linear time-invariant electrical load is connected to the system, it draws a sinusoidal current at the same frequency as the voltage, although not always in phase with the voltage).

  4. Junction box - Wikipedia

    en.wikipedia.org/wiki/Junction_box

    A small metal or plastic junction box may form part of an electrical conduit or thermoplastic-sheathed cable (TPS) wiring system in a building. If designed for surface mounting, it is used mostly in ceilings, under floors or concealed behind an access panel—particularly in domestic or commercial buildings.

  5. Electronics technician (United States Navy) - Wikipedia

    en.wikipedia.org/wiki/Electronics_technician...

    The Navy Enlisted Classification (NEC) system supports the enlisted rating structure in identifying personnel and billets in manpower authorizations. NEC codes identify a non-rating wide skill, knowledge, aptitude, or qualification that must be documented to identify both people and billets for management purposes.

  6. Life Safety Code - Wikipedia

    en.wikipedia.org/wiki/Life_Safety_Code

    The Life Safety Code is coordinated with hundreds of other building codes and standards such as National Electrical Code NFPA 70, fuel-gas, mechanical, plumbing (for sprinklers and standpipes), energy and fire codes. Normally, the Life Safety Code is used by architects and designers of vehicles and vessels used for human occupancy.

  7. CIPHERUNICORN-E - Wikipedia

    en.wikipedia.org/wiki/CIPHERUNICORN-E

    In 2000, NEC used the same high-level structure, with more elaborate components, to design the CIPHERUNICORN-A cipher. CIPHERUNICORN-E's key schedule uses a nested Feistel network, based on some of the same building blocks as the cipher itself. The complexity of CIPHERUNICORN-E's round function has made it difficult to analyze.

  8. Intel 8086 - Wikipedia

    en.wikipedia.org/wiki/Intel_8086

    The 8086 [3] (also called iAPX 86) [4] is a 16-bit microprocessor chip designed by Intel between early 1976 and June 8, 1978, when it was released. The Intel 8088, released July 1, 1979, [5] is a slightly modified chip with an external 8-bit data bus (allowing the use of cheaper and fewer supporting ICs), [note 1] and is notable as the processor used in the original IBM PC design.

  9. Necrotizing enterocolitis - Wikipedia

    en.wikipedia.org/wiki/Necrotizing_enterocolitis

    Recovery from NEC alone may be compromised by co-morbid conditions that frequently accompany prematurity. Long-term complications of medical NEC include bowel obstruction and anemia. [citation needed] In the United States, NEC caused 355 deaths per 100,000 live births in 2013, down from 484 per 100,000 live births in 2009.

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