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  2. Military 12-gauge cartridges - Wikipedia

    en.wikipedia.org/wiki/Military_12-gauge_cartridges

    Initial issue with each shotgun was one hundred commercial-production paper-cased shotgun shells containing nine 00 buckshot pellets 0.33 inches (8.4 mm) in diameter. These cartridges became wet in the muddy trench warfare environment; and swelled paper cases would no longer chamber reliably.

  3. 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).

  4. Electric power transmission - Wikipedia

    en.wikipedia.org/wiki/Electric_power_transmission

    Conductor sizes range from 12 mm 2 (#6 American wire gauge) to 1,092 mm 2 (2,156,000 circular mils area), with varying resistance and current-carrying capacity. For large conductors (more than a few centimetres in diameter), much of the current flow is concentrated near the surface due to the skin effect. The center of the conductor carries ...

  5. American wire gauge - Wikipedia

    en.wikipedia.org/wiki/American_wire_gauge

    (E.g. 1 mm diameter wire is ≈18 AWG, 2 mm diameter wire is ≈12 AWG, and 4 mm diameter wire is ≈6 AWG.) This quadruples the cross-sectional area and conductance. A decrease of ten gauge numbers (E.g. from 24 AWG to 14 AWG) multiplies the area, weight, and conductance by approximately 10.

  6. Standard wire gauge - Wikipedia

    en.wikipedia.org/wiki/Standard_wire_gauge

    A standard wire gauge. The British Standard Wire Gauge, often referred to as the Standard Wire Gauge or simply SWG, is a unit used to denote wire gauge (size) as defined by BS 3737:1964, a standard that has since been withdrawn. It is also known as the Imperial Wire Gauge or British Standard Gauge. Although its use has significantly declined ...

  7. List of track gauges - Wikipedia

    en.wikipedia.org/wiki/List_of_track_gauges

    See 9 + 1 ⁄ 2 in (241 mm) gauge ridable miniature railways. 260 mm 10 + 1 ⁄ 4 in: See 10 + 1 ⁄ 4 in (260 mm) gauge ridable miniature railways. 267 mm 10 + 1 ⁄ 2 in: England Beale Park miniature railway 305 mm 12 in: See 12 in (305 mm) gauge ridable miniature railways. 310 mm 1 + 13 ⁄ 64 in Denmark See Narrow-gauge railways in Denmark ...

  8. Birmingham gauge - Wikipedia

    en.wikipedia.org/wiki/Birmingham_gauge

    The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2] At higher gauge numbers, the increment between the two ...

  9. List of gauge conversions - Wikipedia

    en.wikipedia.org/wiki/List_of_gauge_conversions

    1,676 mm (5 ft 6 in) 1,000 mm (3 ft 3 + 3 ⁄ 8 in), 2 ft 6 in (762 mm), 2 ft (610 mm) ongoing Bangladesh: Narrrow gauge is being converted to dual gauge by installing broad gauge third rail. Broad gauge is being converted to dual gauge by installing narrow gauge third rail. 762 mm (2 ft 6 in) 1,067 mm (3 ft 6 in) 1898 Barbados