Clamp for device box

Details Clamp for device box Clamp for device box

H - Electricity

02

B

H02B 1/46 (2006.01) H02G 3/08 (2006.01)

Patent

CA 2173089

A clamp for use to fix nonmetallic sheathed or armored cables within an electrical device box. This clamp has an L-shaped body with a forwardly projecting front wall and an upwardly projecting rear wall. The front wall has a central hole and a rectilinear front edge of a given length that is parallel to the rear wall. An integral U-shaped element projects from the front edge of the L-shaped body along the full length of it. Two upwardly embossed portions are made in the front wall. These portions are symmetrical with respect to the central hole and each has a semi-cylindrical cross-section with an axis perpendicular to the rear wall. Each embossed portion ends at a short distance from the rear wall and defines therewith a locking ridge. Two front openings are made in the front wall at the junction of the embossed portions with the front edge of the body. In use, fixation of the clamp within the device box with a screw inserted into the central hole of the front wall of the clamp allows one or two cables to be squeezed and thus be fixed either between the U-shaped element, the corresponding locking ridge and the adjacent wall of the box when the cable is of the nonmetallic sheathed type, or within one of the embossed portions when the cable is of the armored type. Advantageously, a forwardly and downwardly projecting tab can be provided in the rear wall of the clamp, to retain the screw used to fix it into the device box.

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