What is main cause of cable's terminal point burned in Lug on high temper

What is main cause of cable's terminal point burned in Lug
on high temperature although lug and cable selection is ok
as per stantard and also tightness is ok as per situation.
so please take in deep and tell correct answer thanku.

Question Posted / rajkumar pal

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What is main cause of cable's terminal point burned in Lug on high temperature although lug a..

Answer / k.prakashchandra

Bad crimping and insufficient contact area or lower 'lug
current rating'.

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