Electrical performance tester for quadruple firing box

The utility model provides a tester for a quadruple firing box, comprising a test and control box and a spare part storing cabinet. The test and control box comprises a test unit, a control unit and a power supply unit, wherein the test unit is used for testing, and the units are electrically connected to each other via testing cables. A test panel in the test unit comprises three testing areas, i.e., an ejector filter circuit testing area, a safety and firer circuit testing area and a pure-resistive circuit testing area; and the control unit mainly comprises a power supply controlling circuit, a fuse controlling circuit, a function selection controlling circuit and a test point selection controlling circuit. The tester integrates the test panel with the control unit, so that one or multiple independent ejection chambers can be tested, and the whole firing box can also be tested, thereby comprehensively testing insulating performance between two ejection chambers which shares a working socket, eliminating the