| 摘要 |
Device for engagement with a suspended electrical duct having a channel which is open at the bottom and provided with a pair of opposite and parallel engaging edges (41,42), comprising, housed inside a case (1) closed by a cover, a pair of sliders (2,3) which are moved away from each other by a compression spring (12) so that the opposite ends (4, 5) of the sliders protrude from the case and form two engaging teeth which can be engaged with said duct edges (41,42), the sliders being able to be moved towards each other manually via a pair of openings (15,16) formed in the bottom wall of the case, so as to retract the ends (4,5) and allow insertion of the device between the pair of opposite duct edges.
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