Electricity: conductors and insulators – Boxes and housings – With electrical device
Patent
1978-07-12
1981-01-27
Shoap, Allan N.
Electricity: conductors and insulators
Boxes and housings
With electrical device
174 58, 220 34, 220 38, 220 39, H02G 308
Patent
active
042477387
ABSTRACT:
A flush-mounting electrical box assembly has preassembled electrical control elements contained therein. The box assembly may be flush mounted in unfinished walls to protect the electrical control elements during wall finishing works. The assembly comprises a box, a frame and an outer protective cover. The box has an open side and one or more removable zones or portions to provide openings for the passage of the cable ends or terminals of the electrical system or installation and relative flexible protecting tubes. The frame accommodates and secures at at least one electrical control element (such as a switch, socket or the like) and elements for securing the frame to the edge surrounding the open side of the box. The frame is of an outer size and shape to be completely received in the box with at least one electrical control element applied and connected to the system or installation terminals. The outer protection cover or lid is removably mounted to the open side of the box. Supporting elements support the frame on the edge surrounding the open side of the box.
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Markva Neil F.
Shoap Allan N.
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