DEVICE FOR CHECKING EARTH TERMINAL CONDUCT OF ELECTRIC TOOL

摘要

PURPOSE: A checking device for earth terminal current carrying of electric tool is provided to visually check a case of an air bag control unit and current carrying of a vehicle by radiating of a lamp with the naked eye. CONSTITUTION: A checking device for earth terminal current carrying of electric tool comprises a lamp(20). The lamp is installed in a main body of an electric tool(11) coupling a nut(7) with an earth bolt(5) in which an air bag control unit and a vehicle body is electrically earthed. The lamp radiates light by receiving power. When the nut is assembled with respect to the earth bolt, the earth bolt and the current carrying of the air bag control unit are checked by radiating light in the lamp.