| 摘要 |
PROBLEM TO BE SOLVED: To prevent certainly that a lighting apparatus is installed by a wrong procedure. SOLUTION: The plug 8 is equipped with a plug main body 80, a pair of contact receptacles 81, 81 which are housed in a plug main body 80 and are contacted and conducted respectively to contacts 41, 41 of the contact part 4, and stoppers 82, 82 which are provided on the side face of the plug main body 80 opposed to projection parts 51, 51 of each locking member 5, 5 in a state connected to the contact part 4. The stopper parts 82, 82 are located on a straight line along the movement direction of the locking part 5, and interfere with the projection part 51 only when the plug 8 is connected regularly to the connector part 4, and restrain movement toward the retreat direction of the locking member 5. Accordingly, it can be prevented certainly that the lighting apparatus is installed in a wrong procedure that the plug 8 is connected to the connector part 4 before the locking member 5 is locked to a locking part 213 of the lighting apparatus (holder 210). COPYRIGHT: (C)2007,JPO&INPIT
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