Installation box for detachably incorporating electrical installation device in installation duct, has release device that is used for releasinglatching element of associated guide of adjustment unit

摘要

The installation box (1) has an adjustment unit (5) that is used for adjusting a distance between an extraction unit (4) and a lower portion (3), and is provided with locking positions guides (6) and snap-latching elements (7). The latching elements are associated with opposite sides of drawer member. A release device (10) is used for releasing the latching element of associated guide.