Answer / roy.bijoy067

bcz in electric system earthing priority first then conduction.it lighting come then it first get earth conductor then phase voltage.so this high voltage easily come to earth and protect electric system.

Answer / guest

this is to prevent any form of accidents

3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

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