An organizer assembly for a butt closure, the organizer assembly defining a mutually orthogonal coordinate system comprising a longitudinal axis, a lateral axis, and a transverse axis, the organizer assembly comprising: a primary basket extending along the longitudinal axis between a first open end and a second closed end, the primary basket defining an interior; a bracket assembly extending along the transverse axis at the first open end of the primary basket, the bracket assembly comprising a plurality of hinge assemblies; a plurality of organizer trays, each of the plurality of organizer trays rotatably connectable to the bracket assembly at one of the plurality of hinge assemblies, each of the plurality of organizer trays rotatable between a first position wherein the organizer tray is aligned along the longitudinal axis and a second position wherein the organizer tray is aligned along the transverse axis; and a plurality of splice modules removably connected within each of the plurality of organizer trays, each of the plurality of splice modules comprising a base and a plurality of partitions extending from the base, neighboring partitions of the plurality of partitions defining channels therebetween, each channel defining a longitudinal channel axis and extending along the longitudinal channel axis between a first end and a second end, and further comprising one or more arms extending from each neighboring partition into each channel defined by the neighboring partition at an oblique angle to the longitudinal channel axis, characterized in that the one or more arms extending into a channel from a first partition of the neighboring partitions extends in a first direction towards the first end of the channel and the one or more arms extending into the channel from a second partition (262") of the neighboring partitions extends in a second direction, opposite the first direction, towards the second end of the channel. a primary basket extending along the longitudinal axis between a first open end and a second closed end, the primary basket defining an interior; a bracket assembly extending along the transverse axis at the first open end of the primary basket, the bracket assembly comprising a plurality of hinge assemblies; a plurality of organizer trays, each of the plurality of organizer trays rotatably connectable to the bracket assembly at one of the plurality of hinge assemblies, each of the plurality of organizer trays rotatable between a first position wherein the organizer tray is aligned along the longitudinal axis and a second position wherein the organizer tray is aligned along the transverse axis; and a plurality of splice modules removably connected within each of the plurality of organizer trays, each of the plurality of splice modules comprising a base and a plurality of partitions extending from the base, neighboring partitions of the plurality of partitions defining channels therebetween, each channel defining a longitudinal channel axis and extending along the longitudinal channel axis between a first end and a second end, and further comprising one or more arms extending from each neighboring partition into each channel defined by the neighboring partition at an oblique angle to the longitudinal channel axis, characterized in that the one or more arms extending into a channel from a first partition of the neighboring partitions extends in a first direction towards the first end of the channel and the one or more arms extending into the channel from a second partition (262") of the neighboring partitions extends in a second direction, opposite the first direction, towards the second end of the channel.