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why are using bus ducts ? why not using cables

Answer Posted / kk_london

Normally busducts are used in between secondary side of the
transformer to panel where the distance will be short and
current carrying capacity will be high the busbars used are
generally of greater cross sectional area than the cables,
and also once they are fixed it hardly requires any
maintenance except for tightness in cables you need to do
period check of IR.

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