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2. Copper-clad aluminium wire - Wikipedia

   en.wikipedia.org/wiki/Copper-clad_aluminium_wire

   A copper strip is formed into the shape of a cylinder, while it is being wrapped around an aluminum core and the edges of the copper strip are welded together. The assembly is then pulled through a die, where the cladded wire is squeezed and stretched while also improving the bonding between the copper and the aluminum core. [1]

3. Aluminum building wiring - Wikipedia

   en.wikipedia.org/wiki/Aluminum_building_wiring

   Aluminum building wiring. Aluminum building wiring is a type of electrical wiring for residential construction or houses that uses aluminum electrical conductors. Aluminum provides a better conductivity-to-weight ratio than copper, and therefore is also used for wiring power grids, including overhead power transmission lines and local power ...

4. Knob-and-tube wiring - Wikipedia

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

   Earthing systems. v. t. e. Knob-and-tube wiring (sometimes abbreviated K&T) is an early standardized method of electrical wiring in buildings, in common use in North America from about 1880 to the 1930s. [1][2] It consisted of single-insulated copper conductors run within wall or ceiling cavities, passing through joist and stud drill-holes via ...

5. Copper conductor - Wikipedia

   en.wikipedia.org/wiki/Copper_conductor

   Copper is the electrical conductor in many categories of electrical wiring. [ 3 ][ 4 ] Copper wire is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment. [ 5 ] Copper and its alloys are also used to make electrical contacts.

6. Commutator (electric) - Wikipedia

   en.wikipedia.org/wiki/Commutator_(electric)

   A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit. It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine.

7. Electrical connector - Wikipedia

   en.wikipedia.org/wiki/Electrical_connector

   Since stripping insulation from wires is time-consuming, many connectors intended for rapid assembly use insulation-displacement connectors which cut the insulation as the wire is inserted. [1] These generally take the form of a fork-shaped opening in the terminal, into which the insulated wire is pressed, which cut through the insulation to ...

8. Twist-on wire connector - Wikipedia

   en.wikipedia.org/wiki/Twist-on_wire_connector

   Twist-on wire connectors. Twist-on wire connectors are a type of electrical connector used to fasten two or more low-voltage (or extra-low-voltage) electrical conductors. They are widely used in North America and several European countries in residential, commercial and industrial building power wiring, but have been banned in some other ...

9. 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. Power cables that are bundled inside ...