Flush-mounted electric wall switch or junction box - has connecting elements on two opposite sides co-operating with longitudinal guides formed on its outer surface

摘要

The box (20) has several pivotable connecting elements (25) which are assembled from a head (26), a strip (27) of plastic with ratchet teeth, and a flap having two arms (36,37) at right angles and a slot through which the plastic strip passes. The element near the bottom (22) of the box is fitted into longitudinal grooves of a guide (44) before the box is set into a hole in the wall with the locking arms (36) against its lower boundary surfaces. ADVANTAGE - Box can be secured quickly into wall without need of fixing screws or tools.