Answer / kalidass

If open the neutral grounding switch there will be some
voltage in neutral wire due to unbalance load. And neutal
float will be there. So, dont disconnect the neutral ground.

is it possible to flow a current between nutral and earth in a circuit? although nutral and earth having same potential diffrence? i=0/r=0A if any body now any solid reason because i am getting a triping problem in rcbo due to nutral and earth shorting???

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Should power factor be low or high?

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sir What is the different bet'n "Active & passive" sensors

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