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hi just a query i've heared about somthing called a borrowed neutral am i right in thinking that this is a neutral taken from another circuit? if so isn't this a dangerous practice as if im thinking right the ciruit with the borrowed neutral will not isolate when is circuit breaker is...

thank for your replys the answers you gave were basiclly what i had answered but had it returned marked wrong. maybe i worded it wrong. i will resubmit it in a different form and see what happens. i am a 1st yr adult student retraining and still trying to come to grips with all these new...

thank for that this is what i thought but i got this question from college a low resistance phase to earth fault occurs in a lumiair. state the possible out come if this went undetected. the value of the low resistance is 100 ohms explain what effect this would have on the overcurrent...

what is the possible out come of a low resistance phase to earth fault that goes undetected? and how would a value of 100 ohms affect the over current device :?: