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(11) | EP 0 748 003 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Tamper-proof device applicable to boxes for supporting electrical plug-ins |
(57) A tamper-proof device which can be applied to boxes for supporting electrical plug-ins,
comprising a first portion (1) and a second portion (2) having respectively a detectable
element (18) and a sensor (20). Both portions (1,2) can be associated one another
to keep a signalling circuit deactivated, the signalling circuit being activatable
upon separation of these portions. One (1) of the portions (1,2) is associated with
the supporting frame (4) of the plug-ins in a supporting box (6) and the other one
(2) can engage the box (6) for the mutual separation of the portions (1,2) upon removal
of the frame (4) from the box (6). |