ELECTRIC CONTROL OR SIGNALING DEVICE

摘要

The invention relates to an electric control or signaling device to be assembled through an opening (20) formed in a wall (2), and comprising a tubular metal body which is to engage with a first surface of the wall (2), wherein the body (1) comprises a threaded cylindrical portion (10) to be inserted into the opening (2) and an attachment device (5) comprising a metal clamping ring (51) to be screwed onto the threaded cylindrical portion (10) of the body in order to attach the control or signaling device through the opening (2), and a metal attachment plate (50) to be applied against a second surface of the wall (2) opposite the first surface by means of the clamping ring (51).