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  2. Extension cord - Wikipedia

    en.wikipedia.org/wiki/Extension_cord

    Yellow NEMA 5-15 extension cord NEMA-1 extension cord, common in the United States Extension cord reel (Germany). An extension cord (US), extension cable, power extender, drop cord, or extension lead (UK) is a length of flexible electrical power cable (flex) with a plug on one end and one or more sockets on the other end (usually of the same type as the plug).

  3. Portable cord - Wikipedia

    en.wikipedia.org/wiki/Portable_cord

    A portable cord (also known as portable cordage, flexible cord, or extension cord) is a cable with multiple conductors used for temporary electrical power connections requiring flexibility. The cord can be employed in a range of applications, such as operating motors in small and large tools, equipment, power extensions, home appliances, and ...

  4. Power cord - Wikipedia

    en.wikipedia.org/wiki/Power_cord

    A power cord, line cord, or mains cable is an electrical cable that temporarily connects an appliance to the mains electricity supply via a wall socket or extension cord. The terms are generally used for cables using a power plug to connect to a single-phase alternating current power source at the local line voltage (generally 100 to 240 volts ...

  5. ULT freezer - Wikipedia

    en.wikipedia.org/wiki/ULT_freezer

    A scientist placing samples into a negative 80 degree freezer. In contrast to short term sample storage at +4 to −20 °C (39 to −4 °F) by using standard refrigerators or freezers, many molecular biology or life science laboratories need long-term cryopreservation (including "cold chain" and/or "colder chain" infrastructures) for biological samples like DNA, RNA, proteins, cell extracts ...

  6. Zip-cord - Wikipedia

    en.wikipedia.org/wiki/Zip-cord

    Zip-cord is a type of electrical cable with two or more conductors held together by an insulating jacket that can be easily separated simply by pulling apart. In Australia it is known as 'figure-8' cable. [1] The zip-cord term is also used with optical fiber cables consisting of two optical fibers joined in a similar manner.

  7. Core plug - Wikipedia

    en.wikipedia.org/wiki/Core_plug

    The Welch plug is a type of core plug that is made from a thin disc of metal. The Welch plug is dome-shaped and inserted into the casting hole with the convex side facing outwards. [6]