| 摘要 |
A plug device for an electric facility includes a front portion having one or more prongs or plugs for plugging to the electric facility and having four L-shaped forwardly extending legs for engaging with the electric facility and for stably attaching the plug device onto the electric facility. One or more fasteners may secure the plug device to the electric facility. The rear portion of the plug device includes one or more sockets for receiving and for engaging various kinds of plugs or includes one or more electric wires coupled to the plug device.
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