| 摘要 |
PROBLEM TO BE SOLVED: To prevent a ceiling material from being damaged, when a fixture is mounted and to improve safety and construction by disposing a lock part of a socket board for engaging with a slit inside a fixture main body so as not to protrude therefrom. SOLUTION: A recessed part 1a is formed on the side of a fixture main body 1, and a socket board moving slit 1b is disposed on the recessed part 1a. A lock part 2a of a socket board 2 for engaging with the slit 1b is positioned inside the side of the fixture main body 1. By fittingly engaging the slit 1b with the lock part 2a, the socket board 2 can be moved vertically. The lock part 2a is positioned inside the side face of the fixture main body 1, so that not part protrudes in the side face of the fixture main body 1. Therefore, there is no apprehension about causing a ceiling material 6 to damage when a fixture is mounted and construction and workability are facilitated.
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