| 摘要 |
PURPOSE: An insulating cap of a connection portion for wiring is provided to prevent a head portion of a bolt and a nut from being exposed since the insulating cap is installed on the head portion of the bolt and the nut. CONSTITUTION: A power bus bar(1) is projected from a cabinet panel. A branch bar(2) is connected to the power bus bar by a bolt(11) and a nut(12). An insulating cap(100) is installed in the head portion of the bolt and the nut which are projected from a connection portion(10). An insulation tube insulates the power bus bar and the branch bus bar. A variable color display portion(110) whose color is changed by heat is formed on the outer surface of the insulating cap. |
