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  2. Thermoplastic-sheathed cable - Wikipedia

    en.wikipedia.org/wiki/Thermoplastic-sheathed_cable

    In North America, this type of cable is designated as NM cable. NM means "nonmetallic", referring to the outer sheathing; the conductors are still metallic. NM was first listed and described in the NEC in 1926, but it was invented a few years earlier by the Rome Wire Company in 1922 in Rome, New York, and marketed under the trade name "Romex". [2]

  3. Halex - Wikipedia

    en.wikipedia.org/wiki/Halex

    Halex may refer to: The Halex process in chemistry; Halex, a brand of electrical fitting from the Scott Fetzer Company; Halex, a subsidiary of the British Xylonite ...

  4. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    The conduit methods were known to be of better quality, but cost significantly more than K&T. [2] In 1909, flexible armored cable cost about twice as much as K&T, and conduit cost about three times the price of K&T. [6] Knob and tube wiring persisted since it allowed owners to wire a building for electricity at lower cost.

  5. Electrical cable - Wikipedia

    en.wikipedia.org/wiki/Electrical_cable

    Coaxial cable – used for radio frequency signals, for example in cable television distribution systems. Direct-buried cable; Flexible cables; Filled cable; Heliax cable; Non-metallic sheathed cable (or nonmetallic building wire, NM, NM-B) [6] Armored cable (or BX) [6] Multicore cable (consist of more than one wire and is covered by cable jacket)

  6. Power cable - Wikipedia

    en.wikipedia.org/wiki/Power_cable

    A power cable is an electrical cable, an assembly of one or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of electrical power . Power cables may be installed as permanent wiring within buildings, buried in the ground, run overhead, or exposed.

  7. Fibre-optic Link Around the Globe - Wikipedia

    en.wikipedia.org/wiki/Fibre-optic_Link_Around...

    Fibre-optic Link Around the Globe (FLAG) is a 28,000-kilometre-long (17,398 mi; 15,119 nmi) fibre optic mostly-submarine communications cable that connects the United Kingdom, Japan, India, and many places in between.