| 摘要 |
PURPOSE: A socket having a structure is provided to reduce an empty socket which can generates leakage by having a plurality of socket which is connected to a wire and applying a plug of a product generating a large amount of light and heat to a wire. CONSTITUTION: A center and side earth ground socket(30) is included in a wire. At least one center and side earth ground socket(20) is included in a plurality of socket which is being connected to the wire. A center and side earth ground socket is prepared.
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