| 摘要 |
<p>The present invention relates to a triple extension adaptor including a cover forming a plurality of socket ports in different shapes, a bottom assembled with the cover, a receipt compartment within the bottom and with 5 an opening at side, a rotary plug within the receipt compartment wherein a overload tripping switch is used along with a capacitor and a surge arrestor for safety. An earth connection is for effective earthing of German or French plugs while the rotary plug can connect to an electrical wire or a wall socket. The present invention can accommodate multiply plugs in different shapes, 10 connect to a power supply wire as extension cord for either construction or household by user and have an earth lip at the surface for receiving the German or French plugs with earth connection for advantages of reducing inventory and industrial application of non-permanent sockets.</p> |
