Answer / mskailash

lighting arrestor design is withstand only 1.5 or 2 times
of system voltage.if lighting is occur voltage and current
level is more it will bypass that voltage and current to
the earth.

Answer / rajnikanth

lightening works on the principle of corona discharge.the
sharp edges of the arrestor gets accumulated with charges
once a lightning of high voltage occurs.these charges are
then passed to the ground.

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