Problem

a. In construction the two most common wires employed in general house wiring are #12 and...

a. In construction the two most common wires employed in general house wiring are #12 and #14, although #12 wire is the most common because it is rated at 20 A. How much larger in area (by percent) is the #12 wire compared to the #14 wire?


b. The maximum rated current for #14 wire is 15 A. How does the ratio of maximum current levels compare to the ratio of the areas of the two wires?

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