What is the difference btwn grounding and earthing?
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Answer / l.chandrasekhara reddy
Grounding is used in US Electrical installation Standards (NEC,UL)
Earthing is used in European Electrical installation Standards (IEC)
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1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason
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