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  2. Telephone jack and plug - Wikipedia

    en.wikipedia.org/wiki/Telephone_jack_and_plug

    6P2C, 3-pin triangular plug similar to the Italian Tripolar plug, 5-pin R.S.-79.809: Russia: 6P2C, Polish national 5-pin Senegal: F-010: Serbia: 6P2C, 3-pin plug used in countries of former Yugoslavia Singapore: 6P2C: Slovenia: 6P2C, 3-pin plug used in countries of former Yugoslavia Slovakia

  3. 25-pair color code - Wikipedia

    en.wikipedia.org/wiki/25-pair_color_code

    25-pair telco cable pinout. A common application of the 25-pair color code is the cabling for the Registered Jack interface RJ21, which uses a female 50-pin miniature ribbon connector, as shown in the following table. The geometry of the pins of the receptacle (right hand image) corresponds to the pin numbers of the table.

  4. Corduroy - Wikipedia

    en.wikipedia.org/wiki/Corduroy

    Alternative names include: corded velveteen, elephant cord (the thick-stripes version), pin cord, Manchester cloth and cords. [8] In continental Europe, corduroy is known as "Cord", "rib cord" or "rib velvet" - in parts of Europe such as Germany, the Czech Republic, Slovakia, the Netherlands and Belgium it used to be simply known as "Manchester ...

  5. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    History. The PIN originated with the introduction of the automated teller machine (ATM) in 1967, as an efficient way for banks to dispense cash to their customers. The first ATM system was that of Barclays in London, in 1967; it accepted cheques with machine-readable encoding, rather than cards, and matched the PIN to the cheque.

  6. Postal Index Number - Wikipedia

    en.wikipedia.org/wiki/Postal_Index_Number

    Sorting district 2-digit postcode areas in India (defined through the first two PIN digits) The third digit of a PIN, combined with the first two digits, represents a specific geographical region (except in the case of the functional zone for the Army) called a sorting district that is headquartered at the main post office of the largest city in the region and is known as the sorting office.

  7. AC power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/AC_power_plugs_and_sockets

    Many 3 pin sockets in China include a physical lockout preventing access to the active and neutral terminals unless an earth pin (which is slightly longer than the other 2 pins) is entered first. China also uses American/Japanese NEMA 1‐15 sockets and plugs for Class-II appliances; a common socket type that also accepts Europlug (type C) is ...

  8. What’s a Personal Identification Number (PIN) - AOL

    www.aol.com/finance/personal-identification...

    A PIN essentially unlocks access to a person’s finances, whether that’s a bank or credit card account. That’s why it’s important to protect these four-digit codes . Safeguarding them can ...

  9. Postal code - Wikipedia

    en.wikipedia.org/wiki/Postal_code

    Post office sign in Farrer, Australian Capital Territory, showing postcode 2607. A postal code (also known locally in various English-speaking countries throughout the world as a postcode, post code, PIN or ZIP Code) is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail.