Answer / muhammed

first you calculat the load after that you calculate the current using this equation I= P/(ROOT3*V*POWER FACTOR)
after there is one cable selection table(available in google) using current rating check that cable and select the cable size

to calculate voltage drop of cable which current we consider that means full load current or panel size?

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how can u determine size of the conductor by knowing the voltage level

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for any load, what happen if we use the cable rating above its normal rating

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difference btw neutral and ground?

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what is stay bow?

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WHERE IS THE LIGHTING ARRESTER SHOULD BE PLACED IN DISTRIBUTION LINES?

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