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which cable size is suitable for 400amps 3ph 220v 25m from distribution panel (loads are lights, computers, Package air conditions)
4 core 120sqmm non armoured pvc copper cable - 2nos. or
4 core 240 sqmm armoured pvc copper cable - 1nos. or
4 core 240 sqmm lineax double insulated rubber cable ho7rn-f - 1nos.
depends on your laying convenience select any one of above
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