摘要 |
A first connector housing can be attached to an electrical instrument, and a second connector housing can be disposed on a part of a panel wall. The first and second connector housings are connected together by a screw-joining means including a bolt and a nut. The second connector housing can be provisionally retained on the panel wall by a provisionally retaining means. When the connectors connect together, the second connector housing can part from the panel wall toward the first connector housing; when the connectors separate from each other, the second connector housing can be provisionally retained on the panel wall by the provisionally retaining means.
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