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  2. List of keyboard switches - Wikipedia

    en.wikipedia.org/wiki/List_of_keyboard_switches

    Switch name Cherry MX equivalent Switch Type Actuation force Tactile force Actuation point Total travel Product code Durability (actuations) Cherry: Cherry: Black [1] Cherry MX Black: Linear: 0.60 N: N/A: 2.0 mm: 4.0 mm: MX1A-11xx >100 million Cherry: Cherry: Red [2] Cherry MX Red: Linear: 0.45 N: N/A: 2.0 mm: 4.0 mm: MX1A-L1xx >100 million ...

  3. Electrical wiring in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_the...

    Many accessories for electrical installations (e.g., wall sockets, switches) sold in the UK are designed to fit into the mounting boxes defined in BS 4662:2006—Boxes for flush mounting of electrical accessories—Requirements, test methods and dimensions, with an 86 mm × 86 mm square face plate that is fixed to the rest of the enclosure by ...

  4. MK Electric - Wikipedia

    en.wikipedia.org/wiki/MK_electric

    In 1912 Charles Arnold and Charles Belling formed Belling and Company making electric fires. Following his release from the army in 1919 Charles Arnold founded 'The Heavy Current Electrical Accessories Company' with Charles Belling as a shareholder.

  5. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    EMS-1 (The ITEC Electronic Modular Switch is an electronic direct control switching system. The modules are combined to form a complete switch or any of the modules can be added to your present Step-by-Step Systems.) EMS-2 (The EMS-2 RURAL SWITCH is a stored program control analog switch designed to be cost-effective in small exchanges.

  6. Ribbon Communications - Wikipedia

    en.wikipedia.org/wiki/Ribbon_Communications

    Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas .

  7. Ribbon cable - Wikipedia

    en.wikipedia.org/wiki/Ribbon_cable

    Left: 20-way grey ribbon cable with wire for pin 1 marked red, insulation partly stripped. Right: 16-way rainbow ribbon with IDC connector. IDC D-sub connectors DE-9 (male) and DA-15 (female) Twisted ribbon cable used for Parallel SCSI connections. A ribbon cable is a cable with many conducting wires running parallel to each other on the same ...

  8. AOL Mail

    mail.aol.com/?_AOLLOCAL=mail

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Olivetti typewriters - Wikipedia

    en.wikipedia.org/wiki/Olivetti_typewriters

    The typebars strike a red/black inked ribbon, which is positioned between the typebar and the paper by a lever whenever a key is pressed; a small switch located near the upper right side of the keyboard can be used to control the strike position of the ribbon, in order to print with black, red, or no ink (for mimeograph stencils).