Stranded Wire AWG Sizes
AWG gauges are also used to describe stranded wire. In this case, it describes the total cross-sectional area of the conductor; the gaps between strands are not counted. Using circular strands, these gaps occupy about 10% of the wire area, thus requiring a wire about 5% thicker than equivalent solid wire.
Stranded wires are specified with three numbers, the overall AWG size, the number of strands, and the AWG size of a strand. The number of strands and the AWG of a strand are separated by a slash. For example, a 22 AWG 7/30 stranded wire is a 22 AWG wire made from seven strands of 30 AWG wire.
Read more about this topic: American Wire Gauge
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