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In a four wire system ( red,yellow, blue, neutral) can we use a neutral cable
of half size the phase cable. If this is allowed, what are the conditions to be met.
V = 415V, I = 400 Amps, Length = 350 metre
of half size the phase cable. If this is allowed, what are the conditions to be met.
V = 415V, I = 400 Amps, Length = 350 metre