Low pressure cable fault seeks teaching device

Low pressure cable fault seeks teaching device is including the table body, five wires, battery, direct current microvolter, five switches and switch boxs, the first terminal of end -to -end connection of each wire, five switches are all fixed in the switch box, are provided with opaque baffle on the switch box, article five, the wire branch maybe live wire U, live wire V, live wire W, zero line N and ground wire E, wherein, ground wire E ground connection, zero line E is the bare copper wire, the one end of direct current microvolter is through a shift knob and zero line E sliding connection, other end ground connection, the two poles of the earth of battery are connected respectively on the second terminal of fixing on the table body. The utility model discloses simple structure, maneuverability is strong, does not have the danger of electric shock, can artificially select fault type through the switch, then cover the opaque baffle on the switch box, let the new employee carry out failure diagnosis and seek, the utility model discloses can also realize that the zero potential method detects the teaching training of fault point.