Q:

Where can you find a wire gauge chart?

A:

Quick Answer

The University Corporation for Atmospheric Research publishes a wire gauge chart on its website. The chart shows average wire gauges along with current limits for each gauge along with maximum amps for chassis wiring and maximum amps for power transmission. For simplicity's sake, the chart features average wire gauge diameter in both inches and millimeters, and it notes ohms per 1,000 feet and per kilometer, so it can be used by those accustomed to both the United States empirical and metric measurement systems.

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Full Answer

The average wire gauge, or AWG, begins with "0000" on the chart and runs through 32-gauge wire specifications. Parts of the AWG column on the chart are listed in metric for easy conversion for metric users.

Wire gauge is a measurement that depicts the diameter or the cross-sectional area of a wire. The gauge determines the amount of electrical current that a wire can carry with safety. It also determines the weight per unit of length of the wire and its electrical resistance. Wire gauge is important in both nonelectrical and electrical wires, structural cable and electrical wiring. Wire gauge can determine the quality of cables and wires, and knowing the gauge of wiring is important in a number of applications.

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