| 摘要 |
PURPOSE:To simplify installation work for a lighting device using a wiring duct for suspending and supporting a plural sorts of lighting apparatuses, and realize multiplicity of the sorts of usable lighting apparatuses and lighting modes by selective switching. CONSTITUTION:An installation part 7 of a wiring duct 3 is fixed to an easy installation means 6 fixed to a ceiling 2, a main lighting apparatus 4 of a code suspension type or the like is detachably installed to the installation part 7, while a pair of auxiliary lighting apparatuses such as spot lights are detachably installed to the wiring duct 3. The installation part 7 of the wiring duct 3 is of a structure to be detachably fixed to the easy installation means 6, including a hook ceiling body 8 and a lighting control circuit 9, and a hook ceiling cap 11 of the main lighting apparatus 4 is detachably connected with the hook ceiling body 8. |
