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  2. MK Electric - Wikipedia

    en.wikipedia.org/wiki/MK_electric

    MK Electric is a company that makes electrical accessories. The company's headquarters are in Basildon , Essex , England , from where it sells goods worldwide. History

  3. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    The system of plug types using a single letter (from A to O) used here is from World Plugs, which defines the plug type letters in terms of a general description, without making reference to specific standards. Where a plug does not have a specific letter code assigned to it, then it may be defined by the style sheet number listed in IEC TR 60083.

  4. AC power plugs and sockets: British and related types

    en.wikipedia.org/wiki/AC_power_plugs_and_sockets:...

    BS 546, Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors for AC (50–60 Hz) circuits up to 250 V is an older British Standard for three-pin AC power plugs and sockets: four sizes with current capacities from 2 A to 30 A. Originally published in April 1934, it was updated by a 1950 edition which is still current, [1 ...

  5. Industrial and multiphase power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/Industrial_and_multiphase...

    A plug is defined in IEC 60050 as an accessory having pins designed to engage with the contacts of a socket-outlet, also incorporating means for the electrical connection and mechanical retention of flexible cables or cords, a plug does not contain components which modify the electrical output from the electrical input (except where a switch or ...

  6. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    TSW3 Jumbo unit with growth to system recommended maximums; TSD (toll switch) [31] AN/TTC-20 568 Line Military Fixed Switch (Used by US Air Force - only one was known in existence at Sembach AB, Germany) (retired) AN/TTC-30 568 Line Military Tactical Mobile Switch (Used by US Army and Air Force) (retired)

  7. System information modelling - Wikipedia

    en.wikipedia.org/wiki/System_information_modelling

    System information modelling (SIM) is the process of modelling complex connected systems. System information models are digital representations of connected systems, such as electrical instrumentation and control, power, and communication systems. The objects modelled in a SIM have a 1:1 relationship with the objects in the physical system.

  8. Fares and ticketing on the Mass Rapid Transit (Singapore)

    en.wikipedia.org/wiki/Fares_and_ticketing_on_the...

    The ticketing system is developed based on the Contactless e-Purse Application standard. The Symphony for e-payment (SeP) is the backend processing and clearing system for public transit. [21] "SeP 2.0" allows smartcards, credit card and debit card that complies with the CEPAS standard to be used within the system and a wide variety of payment ...

  9. Leviton - Wikipedia

    en.wikipedia.org/wiki/Leviton

    The original Leviton logo, used from 1924 to circa 1968 Leviton level 2 EV charging station Leviton Headquarters. Leviton was founded in 1906 by Russian immigrants Evser Leviton and his son Isidor Leviton when they began manufacturing brass mantle tips for natural gas lights in Manhattan's Lower East Side.