| 摘要 |
<p>A box for wiring accessory inserts in electrical installations, characterised by comprising a substantially parallelepiped base (2) with four side walls (4) and a bottom wall (6), to be rigidly fixed into a corresponding seat in the masonry structure, and a wiring accessory insert plate support element (18) which is slidable relative to said parallelepiped base (2) perpendicular to the exposed surface of said masonry structure, said support element (18) comprising receptacles (30) for the mortar which fixes the element to said base (2) in the desired position, a push-out front closure (24) and means (26, 28) below this latter for fixing said insert plate.
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