Why is grease added between steel & aluminium conductors?

Q.  Why is grease added between steel and aluminium conductors?
- Published on 23 Nov 15

a. To reduce the corrosion by electrolytic action.
b. To reduce friction between the strand.
c. To eliminate the air gaps.
d. To reduce the leakage of current.

ANSWER: To reduce the corrosion by electrolytic action.

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