List the four safety precautions observed when using a megger.

List the four safety precautions observed when using a  megger.
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1 Answer

Answer :

a. Use meggers for high-resistance measurement only.   b. Never touch the test leads when the handle is being  cranked.  
 c. Deenergize and discharge the circuit completely before  connecting a megger.  
 d. Disconnect the item being checked from other circuitry, if  possible, before using a megger
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