Electrical wiring box arrangements
US4419537A · kind A · utility
10Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1982 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Mar 17, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/083
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electrical wiring box arrangements include a wiring box, and a cable clamp device which mounts rotatably in a wall of the box adjacent to a knockout region. The cable clamp device provides a cable engaging surface which moves toward the cable as the clamp device is rotated. A non-metallic sheathed cable passing through a knockout opening in one wall of the wiring box is clamped between the edge of the knockout opening and the cable engaging surface of the clamp device mounted in a second wall of the box forming an angle with the wall having the knockout opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.