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2. Armoured cable - Wikipedia

   en.wikipedia.org/wiki/Armoured_cable

   Armoured cable is used for submarine communications cable to protect against damage by fishing vessels and wildlife. Early cables carrying telegraph used iron wire armouring, but later switched to steel. The first of these was a cable across the English Channel laid by the Submarine Telegraph Company in 1851. [10]

3. Mineral-insulated copper-clad cable - Wikipedia

   en.wikipedia.org/wiki/Mineral-insulated_copper...

   Mineral-insulated copper-clad cable is a variety of electrical cable made from copper conductors inside a copper sheath, insulated by inorganic magnesium oxide powder. The name is often abbreviated to MICC or MI cable, and colloquially known as pyro (because the original manufacturer and vendor for this product in the UK was a company called ...

4. Power cable - Wikipedia

   en.wikipedia.org/wiki/Power_cable

   It has advantages over armored building cable because it is lighter, easier to handle, and its sheathing is easier to work with. [10] Power cables use stranded copper or aluminum conductors, although small power cables may use solid conductors in sizes of up to 1/0. (For a detailed discussion on copper cables, see: Copper wire and cable.). The ...

5. Electrical cable - Wikipedia

   en.wikipedia.org/wiki/Electrical_cable

   An electrical cable is an assembly of one or more wires running side by side or bundled, which is used as an electrical conductor to carry electric current. Electrical cables are used to connect two or more devices, enabling the transfer of electrical signals, power, or both from one device to the other. Physically, an electrical cable is an ...

6. Thermoplastic-sheathed cable - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic-sheathed_cable

   If the label says "12-3", this cable has four conductors—three 12-gauge insulated wires and a bare copper ground wire. [ 5 ] Different types of cables are approved for different applications; the cable used for interior wiring in dry locations is different from the types approved for underground burial, direct embedment in concrete, or ...

7. 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.