WIRING DUCT SUPPORT STRUCTURE ON FLOOR

摘要

PURPOSE: To simplify duct support structure by using as a wiring duct supporting means joists conventionally provided for supporting a floor panel. CONSTITUTION: In a floor in which a plurality of joists N are provided on the base surface fB and a plurality of floor panels P are supported on the joists, a wiring duct D comprising a duct main body 8 having an opening part 8a in the upper surface and closing lid 9 capable of opening and closing the opening part 8a is fixedly placed on the joists and at the same time the upper surface fD of the wiring duct D is formed flush with the upper surface fp of the floor panel P adjacent to the duct D.