Transcription of Wire - rpc.com.au
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Copper ConductorPlastic Insulation133 WireLow voltage power systems often operate at rather highcurrent levels. If the interconnecting cables are too small,a large proportion of the power available will be wasted inthe cable itself. This loss can be reduced by using a largercable, but this increases costs. The acceptable maximumvoltage drop for DC loads is 5% of nominal batteryvoltage. The chart and the formula on this page areprovided to help you in selecting the best cost / power CHART12 Voltacceptable cable size (mm )Cable length (metres)Amps1 2 5 10 15 20 25 30 1 2 3 4 5 10 15 20 25 30 40 60 80
positive and negative leads are different lengths an average must be taken. All the methods of determining voltage drop on this page are for DC only. AC electricity behaves quite differently. Metric cables are specified by the copper area (in square …
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