Unit - II

Power Theft in Electro-mechanical Meters: Power theft in voltage circuit, by-passing meters, drilling holes on Electro-mechanical Meters, Insertion of film into meter, partial earth fault tampering, Missing Neutral Method. Power Theft in Electronic Meters:Power theft by means of Electrostatic Discharge, Power theft by tampering printed circuit board, Power theft by tampering the frequency circuit, tampering on display circuits of energy meter, Introducing limit switch.