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we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require.

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we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require...

For cable selection we need supply voltage,load current and distence between source to load end ,then we can choose the size of cable and also it depends on meterial of cable,( cu/alu )..

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we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require...

70 ton=245280watt
I=245280/1.73x440x.8

=402 Amp
cable size 400sq.mm(3 phase +neutral)

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