Submitted Questions

  • Lightening Arrestor

    Calculate the length and the distance coved by the lightening arrestor to be installed above 20 feet height industrial building.

    Krishna Kant Gupta

    • Mar 13th, 2012

    Lightning arrestors or lightning rods are used to arrest the lightning surges.This is based on Rolling sphere method according to the Type of protection class you are providing.Rolling sphere radius of 30M or 45M can be used.