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ive been thrown this question by my firm to find out but im stumped how would you carry out a systematic fault diagnosis of a reported faultly circuit can anyone help many thanks if you can

hi guys could you help with this one how would you check the functional accuracy of an insulation resistance tester and why is a low value of resistance needed when carring out a cpc test thanks spenc

how would you also check the its functional accuracy . ihave an idea but not sure whether i am right thanks for all your help

thanks to all

could anyone help withh this questions 1) what would you use to carry out an insulation resistance test ? is it a insulation resistnce tester or is there another name think they have given me a trick question. 2) what is the minimum acceptable value for an insulation? is it greater than 999

thanks or those answers that has help me big time once again thanks

can anyone help need a couple of questions answered im not sure about 1) what is meant by the term characteristic of the supply. is this the earthing and fuse sizes ? 2) what is the result of loose terminals. is it arking and component burning out