| 摘要 |
The present invention relates to a socket with a line which indicates the insertion direction of a plug. A line passes two holes of the socket in front of the socket. The line is coated with luminous paint or general paint having a higher color contrast compared to the color of the socket. The insertion direction of the plug can be recognized at a glance in any direction. So, the socket can solve inconvenience that a user has to search the insertion direction of the plug in a place where the user can not see the holes of the socket. |
