conductor size 28 AWG
area 0.081 mm^2 (square-mm)
area 159.8 CM (circular mil)
diameter 12.6 mil (1)
diameter 0.321 mm (1)
DC-resistance 0.213 Ohm/m
tensil strength 2.43 kgf (2)
weight 0.720 kg/km (Cu)
weight 0.219 kg/km (Al)
construction: solid
Note:
1. diameter of stranded conductor is an approximation.
2. tensil strength of crimped terminal is about 60 % of conductor.
Ordinarily, the next two gauging systems are used with electrical wire and cables.
AWG (American Wire Gauge)
- It is known as BS (Brown & Sharp wire gauge). The AWG gauging system
is defined as geometrical progression because of the drawing mechanism.
The 36 AWG is defined as 5 mil diameter, and the 4/0 AWG is defined as
460 mil diameter. (See ASTM B 258)
mil
- represents diameter of solid wire in mil (1/1000 inch) or
cross-sectional area in circular mil.
millimeter wire gauging system
- represents the diameter of solid wire in mm or cross-sectional area of stranded wire
in mm^2 (square mm).
Most conductors are composed of copper. Most important parameter of
conductors is the cross section which determines DC-resistance and most of
current carrying capacity.
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