| 摘要 |
PROBLEM TO BE SOLVED: To provide a luminaire provided with a marker showing proper fastening of a nut when fixing the luminaire to a support. SOLUTION: This luminaire has a body case 2 fixed to a support member with a bolt 3, a washer 11 and a nut 4; and a press member 20 formed with fixing parts 23, 24 on both sides for pressing a top plate 2a of the body case 2. A marker plate 21 formed with a marker 22 is hung down from near the center of the press member 20. By inserting the marker plate 21 into an information plate 16 through a slit 13 and screwing the nut 4 on a thread part of the bolt 3, the marker plate 21 advances through the information plate 16, and the marker 22 appears in a window formed in the information plate 16 when fastening of the nut 4 becomes proper, to inform a worker of it.
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