Difference between control junction box (cjb) and power junction box(pjb)?
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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is firstname.lastname@example.org
pls send me some of the solved question booklet of Junior Engineer -2 (ELE) in RRB
in three pin pluge there three pins one is phase and second is earth third is nutral why nutral high diameter compare with phase and earth
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