... area and responsible people; ◆Avoiding traditional multiple switch out,switch on,line patrol to the effects of power ... Used to judge the short circuit fault indicator diagram As line 2# B phase 2,5 ... that judged the point D happen short circuit Used to judge the grounding fault indicator diagram: As line 2 ... # C phase 3,6,9 indicator turn red,but the 12 indicator still show white, that judged the ...