Electrical junction box

Details Electrical junction box Electrical junction box

1976-12-21

1978-04-04

Truhe, J. V.

Electricity: conductors and insulators

Boxes and housings

With grounding means

174 65R, 285128, H02G 308

Patent

active

040829154

ABSTRACT:
An electrical connection box. The box comprises a hollow, molded or cast housing having plural walls, at least one of which including an opening configured to receive an electrical conductor therethrough. Tightenable clamping means are disposed adjacent to the opening for clamping the conductor in place. The clamping means includes a contact shoe which is integrally formed with the housing and which is breakable therefrom at a break point when the conductor is to be clamped. The breakage of the shoe from the housing enables the shoe to be brought into clamping engagement with the conductor. In one embodiment of the invention the clamping means is mounted inside the box. In another embodiment the clamping means is mounted outside the box. The openings for the conductor can be configured for either ROMEX or BX type cables. Breakaway mounting flanges are provided on the box.

REFERENCES:
patent: 2352913 (1944-07-01), Parker
patent: 3084958 (1963-04-01), Appleton
patent: 3112938 (1963-12-01), Karlin
patent: 3344502 (1967-10-01), Maier
patent: 3676571 (1972-07-01), Rubinstein
patent: 3816638 (1974-06-01), Appleton

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