Answer Posted / priyanka dhar

Lightning arresters are installed inside the distribution
board and they protect against surge volatges in case of
direct lightning strikes.

surge arresters are installed in sub-distribution board as
well as in terminal equipment thus protecting against surge
voltages due to distant lightning and due to internal
switching operations respectively.

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

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