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  2. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    In both those instances the white wire should be identified as being hot, usually with black tape inside junction boxes. The neutral wire is identified by gray or white insulated wire, perhaps using stripes or markings. With lamp cord wire the ribbed wire is the neutral, and the smooth wire is the hot. NEC 2008 400.22(f) allows surface marking ...

  3. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric ...

  4. American wire gauge - Wikipedia

    en.wikipedia.org/wiki/American_wire_gauge

    The resistance of copper wire is approximately ⁠ 1 ohms / 1000 feet ⁠ for 10 AWG, ⁠ 10 ohms / 1000 feet ⁠ for 20 AWG, ⁠ 100 ohms / 1000 feet ⁠ for 30 AWG, and so on. [ 5 ] : 27 Because aluminum wire has a conductivity of approximately 61% of copper, an aluminum wire has nearly the same resistance as a 2 size thinner copper wire ...

  5. Underground power line - Wikipedia

    en.wikipedia.org/wiki/Underground_power_line

    Above-ground lines cost around $10 per 1-foot (0.30 m) and underground lines cost in the range of $20 to $40 per 1-foot (0.30 m). [9] In highly urbanized areas, the cost of underground transmission can be 10–14 times as expensive as overhead. [10] However, these calculations may neglect the cost of power interruptions.

  6. 10BASE2 - Wikipedia

    en.wikipedia.org/wiki/10BASE2

    10BASE2 cable end terminator. 10BASE2 (also known as cheapernet, [1] thin Ethernet, thinnet, and thinwire) is a variant of Ethernet that uses thin coaxial cable terminated with BNC connectors to build a local area network. During the mid to late 1980s, this was the dominant 10 Mbit/s Ethernet standard. The use of twisted pair networks competed ...

  7. ACCC conductor - Wikipedia

    en.wikipedia.org/wiki/ACCC_conductor

    ACCC-specific conductor dead-end Assembly. This grips only the central strength member. The primary disadvantage is cost; ACCC costs 2.5–3 times as much as ACSR cable. [9] Although ACCC has significantly less thermal sag than even other HTLS conductor designs, it has a lower axial stiffness. [10]

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