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  2. National Electrical Code - Wikipedia

    en.wikipedia.org/wiki/National_Electrical_Code

    Electrical installations. The National Electrical Code ( NEC ), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. [1]

  3. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    This lists Alcatel switches before the merger with Lucent Technologies . E10A (E10N3)- Original switch introduced in 1972 one of the earliest deployments of TDM switching in the world. E10B (E10N1)- Major revision in the 1980s which eventually saw ISDN capabilities. Common in France, Ireland, China, India and elsewhere.

  4. Numerical Electromagnetics Code - Wikipedia

    en.wikipedia.org/wiki/Numerical_Electromagnetics...

    The Numerical Electromagnetics Code, or NEC, is a popular antenna modeling computer program for wire and surface antennas. It was originally written in FORTRAN during the 1970s by Gerald Burke and Andrew Poggio of the Lawrence Livermore National Laboratory. The code was made publicly available for general use and has subsequently been ...

  5. Hands-on with the NEC Terrain: the company's first US phone ...

    www.engadget.com/2013-06-20-nec-terrain-hands-on...

    Let's face it: no rugged phone is going to get more attention today than the Galaxy S4 Active. Just the same, NEC is showing off the Terrain, its first handset for the US market since 2005. The ...

  6. NEC - Wikipedia

    en.wikipedia.org/wiki/NEC

    Netcracker Technology. Website. nec .com. NEC Corporation (日本電気株式会社, Nippon Denki Kabushiki gaisha, an acronym for the Nippon Electric Company) is a Japanese multinational information technology and electronics corporation, headquartered at the NEC Supertower in Minato, Tokyo, Japan. [3]

  7. Digital enhanced cordless telecommunications - Wikipedia

    en.wikipedia.org/wiki/Digital_enhanced_cordless...

    Digital Enhanced Cordless Telecommunications ( DECT) is a cordless telephony standard maintained by ETSI. It originated in Europe, where it is the common standard, replacing earlier standards, such as CT1 and CT2. [1] Since the DECT-2020 standard, it also includes IoT communication. Beyond Europe, it has been adopted by Australia and most ...

  8. Telephone switchboard - Wikipedia

    en.wikipedia.org/wiki/Telephone_switchboard

    Telephone switchboard. A telephone switchboard was a device used to connect circuits of telephones to establish telephone calls between users or other switchboards, throughout the 20th century. The switchboard was an essential component of a manual telephone exchange, and was operated by switchboard operators who used electrical cords or ...

  9. NEC Mobile Communications - Wikipedia

    en.wikipedia.org/wiki/NEC_Mobile_Communications

    NEC Mobile Communications was a mobile phone manufacturer established 1 May 2010. It started as a joint venture among three Japanese electronics manufacturers NEC, Casio and Hitachi, where NEC owned 70.74%, Casio 20.00% and Hitachi 9.26%. [1] At one point, the company was the second largest maker of mobile terminals in Japan. [2]