FIBER ROUTING INSERT AND OPTICAL JUNCTION OR DISTRIBUTION BOX

A fiber routing insert (1) for an optical junction or distribution box (100), comprising: a first floor (10); first guide elements (20) extending, along a spacing direction (X-X) transversal to the first floor (10), from the first floor (10) to first ceiling portions (30), the first guide elements (20) defining a first path (A) on the first floor (10) configured to receive optical fibers (2), the first path (A) defining a figure-eight fiber locking path; a second floor (40) arranged at a raised position relative to the first floor (10) and spaced apart from the first floor (10) along the spacing direction (X-X), the second floor (40) comprising a splicing area (50) for splicing the optical fibers on the second floor (40); second guide elements (60) arranged on the second floor (40), the second guide elements (60) defining a second path (B) on the second floor (40) configured to receive optical fibers (2), a connecting element (70) configured to guide optical fibers (2) from the first path (A) to the second path (B), the first ceiling portions (30) define the second floor (40).