1592953311000 1312632483000 term-44088 1616541566674 1312632537000 1616290553011 adlib fitz-online adlib-term-44088 e913d852-e0c2-3011-9550-50d6774a7ea6 2 1 scope note Sets of adjustable flaps, usually two or four, that are attached to the front of a luminaire in order to partially control the shape and spread of the light beam. IESREF reference term-44087 adlib-term-44087 a890faef-1424-3a26-b444-422073caf0dc barn door V.PJ.AFU.ALO.AXC.AXC.ARI 1 code V.PJ.AFU.ALO.AXC.AXC.ARI 1 barn doors reference term-44286 adlib-term-44286 1d191d78-2840-3f8d-8a7b-0b877cfdf2a5 <lighting device components> barn doors term