Electrical wiring box arrangements

Details Electrical wiring box arrangements Electrical wiring box arrangements

1982-03-17

1983-12-06

Grimley, A. T.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

339103R, H02G 308

Patent

active

044195370

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.

REFERENCES:
patent: 3084958 (1963-04-01), Appleton
patent: 3788582 (1974-01-01), Swanquist
patent: 4223178 (1980-09-01), Lass
patent: 4277641 (1981-07-01), Bauer et al.
patent: 4323725 (1982-04-01), Muller

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