| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceiling hook with a switching circuit which requires no connection box provided between a power supply and the ceiling hook for connecting an electric lamp, in an electric lamp circuit provided with the switching circuit. SOLUTION: A plug-in type common fitting 14 to which a wire from the power supply and a wire to the switching circuit can be connected is incorporated in the ceiling hook 13 in addition to a hook fitting 10 in a conventional ceiling hook. Thereby, the switching circuit to the electric lamp 7 can be formed without having the connection box. COPYRIGHT: (C)2007,JPO&INPIT
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