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WHAT IS THE DIFFERENCE BETWEEN NUTREL AND EARTHING10 7911
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phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this3 17048
we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply5 5206
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what are the advantages and disadvantages of oil filled cables over XLPE cables3 14688
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india878
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