Electricity: conductors and insulators – Boxes and housings – With grounding means
Patent
1992-04-06
1993-08-24
Broome, Harold
Electricity: conductors and insulators
Boxes and housings
With grounding means
174 50, 220 33, 361641, H02G 308, H05K 502
Patent
active
052391299
ABSTRACT:
An electrical housing apparatus has an electrically non-conductive enclosure with side and end walls. One of the end walls has an opening to receive an electrical conduit and the other walls are un-perforated. An electrically conductive frame is mounted inside the enclosure, the frame being arranged to support electrical devices is a specific vertical orientation and provide ground bonding between the conduits and electrical devices in the housing. Mounting brackets at opposite ends of the frame have openings either of which can be aligned with the end wall opening when the frame is placed in the enclosure, depending on the orientation of the enclosure: the end wall with the opening can be at the top to accommodate a top conduit connection or at the bottom to accommodate a bottom conduit connection. A water-resistant cover closes the front of the box, the cover and frame being arranged to have a single orientation regardless of which enclosure orientation is used.
REFERENCES:
patent: 4260863 (1981-04-01), Appleton
patent: 4265365 (1981-05-01), Boteler
patent: 4620061 (1986-10-01), Appleton
patent: 4973797 (1990-11-01), Jorgensen et al.
patent: 4994631 (1991-02-01), Williams, Jr.
Hubbell Brochure titled "NEMA 1 Surface Mounting Enclosures" published Mar. 18, 1985 (one page).
'Hubbell Incorporated
Broome Harold
Farley Walter C.
Presson Jerry M.
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