| 摘要 |
The present invention is provided with a release button that is exposed from a release hole opened in the outer surface of the case and releases retention of electrical wires inserted into wire insertion holes of a case when pressed toward the inside of the case. The one surface of the release button that is exposed from the release hole has a shape in which a plurality of mating recessed parts are provided on the long side of a rectangle, and mating protruding parts that are inserted and connect to the mating recessed parts are provided on the inside peripheral surface of the release hole. Rattling of the release button is suppressed more than the case in which the release hole is a simple rectangular shape. |
