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Why 250 volts AC in New Zealand instead of 110 volts AC which America uses is one safer and is more energy footprint required to produce the higher voltage?
Wiki User
∙ 15y ago
The reason for increasing the voltage in the electric network is, in fact, that it saves energy. The power dissipated in electric wiring is proportional to the square of the electric current. By increasing the voltage, the current decreases provided that the power consumption at the consumer is to remain constant. This means less loss in the electric network. For the same reason, very high voltages, hundreds of thousand volts, are used in long-distance wires. The voltage is converted using Transformers when it reaches the consumers, with a relatively low power loss.
Wiki User
∙ 15y ago
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