Abstract: The invention relates to a laser protective wall which consists of at least one metallic surface-treated sheet metal wall (W1*-W6*), wherein the metallic walls (W1* -W6*; S1, S2) consist of anodized or chromalized light metal.

Abstract: A device for testing cables provided with one or several plugs to detect possible connection defects and the like comprises an element receiving a plug and coupling the contacts of the plug with spring contacts, and a locking device for locking the plug in a recess of the coupling element. The locking device includes a holding pin, positionable by a pneumatically actuated piston laterally of the plug and movable transversely thereof to fix the plug in position.

Abstract: A device for testing cables provided with plugs having plug contacts, as to connection failures, switching and the like, the device comprising a coupling element provided with a plug receptacle having a contour corresponding to that of a plug, a plurality of spring contacts extending through the coupling element and provided in a number and with an arrangement corresponding to those of the plug contacts, the spring contacts being provided with an electrical testing circuit, the spring contacts being arranged to contact the plug contacts after insertion of the plug under pressure, elements for fixing the plug which are actuatable after insertion of the plug and termination of a testing process, and a displacing member on which the spring contacts are mounted outside of the coupling element and by which the spring contacts are movable into the plug.