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What determines the maximum current that can be carried by household wiring?
Wiki User
∙ 13y ago
The capacity, known as the wire's ampacity, of the wire to carry amperage safely determines the size of the wires used in house hold wiring. This capacity is stated in the electrical code that is used in different countries around the world.
Wiki User
∙ 13y ago
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How do you convert into maximum current if the average current is given?
Presumably you are referring to an a.c. current?If so, then the average value of an a.c. current is zero so, clearly, you cannot determine its maximum value.However, average current is more-usually applied over half a cycle, in which case, for a sinusoidal current, this value is 0.637 Imax. So the maximum current will be the average value, divided by 0.637.
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If you are referring to an a.c. current, then the maximum current is the amplitude of its waveform. For a sinusoidal waveform, the amplitude of an a.c. current is its root-mean-square value, divided by 0.707. For example, an a.c current with an rms value of, say, 10 A will have an amplitude of 14.14 A,
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