glossary:glossary_a
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glossary:glossary_a [2019/09/05 20:30] – [Amplifier] more complete and useful answer tgerbic | glossary:glossary_a [2019/09/05 22:27] – [AWG] more detail and ideas of what to expect tgerbic | ||
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===== AWG ===== | ===== AWG ===== | ||
+ | American Wire Gauge is a set of standard sizes for wire diameter. It covers both solid and stranded wire. | ||
- | American Wire Gauge- This is not the same as Standard Wire Gauge. There is no direct conversion in that the ratio of radii SWG/AWG varies from 0.8 at 6/0 to 1.64 at 43.\\ | + | As the gauge number gets larger the wire diameter gets smaller. Larger wire is generally used for carrying higher current levels since larger wire has less resistance and so for higher currents less voltage is dropped over a given distance. |
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+ | In North America, extension cords are generally wired with 16AWG or 14AWG. House outlet wiring would generally have 14AWG or 12AWG wiring. In the UK, Australia and many other countries 2.5mm or 4mm wiring would be used in a similar fashion. Bus wires for DC or DCC may use large gauges such as these to supply a fairly constant voltage level (provides a low voltage drop over distance) around a large layout. Feeders to a track would be much smaller wires as current demands would be smaller. Relay coils and small wattage transformers may have gauges from 18AWG down to 28AWG. Wirewrap wire is generally 26AWG. While this paragraph is fairly general, it will give you an idea what to expect for wire sizes on a layout or simple projects. Better detail and recommendations can be found elsewhere in the Forum for a specific task. | ||
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+ | AWG is not the same as Standard Wire Gauge. There is no direct conversion in the ratio of wire diameter between | ||
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glossary/glossary_a.txt · Last modified: 2022/04/29 19:54 by sven-e