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    • 4. 发明授权
    • Ground and test arrangement for a ground fault circuit interrupter
    • 接地故障电路断路器的接地和测试方案
    • US4549241A
    • 1985-10-22
    • US579626
    • 1984-02-13
    • Robert A. MorrisGeorge W. KieselPaul T. Rajotte
    • Robert A. MorrisGeorge W. KieselPaul T. Rajotte
    • H01H83/02H01H83/04H02H3/347
    • H01H83/04
    • A ground fault circuit interrupter (GFCI) yoke with integral grounding screw and simple staked ground receptacle stab arrangement provides the device grounding features. The mounting screws that are attached to the yoke by means of staples provide a wall box self-grounding feature. A push-to-test arrangement is provided by a neutral strap and test contact attached to the line receptacle stab through a current limiting resistor. Depressing a test button energizes the test circuit by electrically connecting the test contact with the neutral strap. The combination of the line and neutral receptacle stabs with the line and neutral moveable contact arms and the arrangement of the receptacle stabs in alignment with the receptacle plug-in slots allows the push-to-test and interrupter contacts to be assembled within the GFCI enclosure without additional wiring.
    • 具有集成接地螺钉的接地故障电路断路器(GFCI)轭和简单的接地插座插脚布置提供了器件接地特性。 通过钉子连接到轭架上的安装螺钉提供了一个墙壁自接地功能。 通过中性带提供按压测试布置,并且通过限流电阻连接到线插座上的测试触点。 按下测试按钮,通过将测试触点与中性带电连接来激励测试电路。 线路和中性插座插头与线路和中性可移动触点臂的组合以及插座插头与插座插入插槽对准的布置允许按压测试和断路器触点组装在GFCI外壳内 无需额外接线。