| 摘要 |
The disclosure is directed to a plug receptacle including a ball member having a spherical outer peripheral surface. The ball member is rotatably supported on a bearing surface formed at an open end of a socket member. A connecting member maintains the ball member in contact with the socket member when the device is in normal use. The ball member has openings adapted to receive contact pins of a plug. The ball member is rotatable in any direction with the movement of the plug received in the openings.
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