Answer / abdul nazir

The top one is the earthing conductor. It is used to
protect the lines from the "LIGHTINGS".

Answer / kaushik ( ms university)

The wire provided at top of the tower to tower is a ground
wire.it is used for protection against LIGHTNING STROKE. &
it is grounded at regular interval of tower.

Answer / ajit

It is generally used to protect the conductor from direct
stroke of lightening

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