Problem to be solved: to fix the fixture fixed to the mounting member fixed to the building material such as the ceiling, etc., and to prevent the tensile force from being applied to the electric wire without the user holding the instrument body, and to install the lighting fixture which can be easily installed in the building material .Solution 1 is an illumination instrument 1 attached to a building material (ceiling 2, etc.), a mounting member 200 for mounting the lighting fixture 1 to a building material, a light source 120 for irradiating illumination light, and a first driving unit 130 for driving the light source The main body 100 of the appliance and the first drive unit 130 are powered by an electric wire 400 which transmits power supplied through the building material, and the appliance body 100 and the mounting member 200 are opened and closed to the mounting member 200 in a bivalve shape DoLike this.Diagram【課題】天井等の造営材に固定された取付部材に器具本体を固定する際、ユーザが器具本体を保持しなくても電線に引張力がかかることを抑制できるとともに照明器具を造営材に簡単に設置することができる照明器具を提供する。【解決手段】造営材(天井2等)に取り付けられる照明器具1であって、照明器具1を造営材に取り付けるための取付部材200と、照明光を照射する光源120及び光源120を駆動する第1駆動ユニット130を有する器具本体100と、第1駆動ユニット130は、造営材を介して供給される電力を伝送する電線400により給電され、器具本体100及び取付部材200は、器具本体100が取付部材200に対して二枚貝状に開閉するように連結されている。【選択図】図8
