Why do we use copper cable for HT Supply and why not
Aluminium?
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Answer Posted / Vibhuti Pandey
Copper cables are commonly used for high tension (HT) supply over aluminum due to several factors. Copper has higher electrical conductivity, thermal conductivity, and mechanical strength compared to aluminum, which makes it a preferred choice for electricity transmission. However, aluminum is sometimes used in lower voltage applications due to its lighter weight and cost-effectiveness. Aluminum corrodes more quickly than copper when exposed to air and moisture, which can lead to reduced lifespan of the cable.
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