H - Electricity – 02 – G
Patent
H - Electricity
02
G
347/12, 26/182
H02G 3/08 (2006.01)
Patent
CA 1266320
ABSTRACT OF THE DISCLOSURE An electrical outlet box optionally having in com- bination therewith, a connector fitting for connecting a corrugated conduit to the box, the box having a back wall and at least one side wall of synthetic resin. A pressure removable plug is displaced out of the plane of the side wall so as to provide a precisely delineated zone of weakness surrounding the plug. When one preferred type of connector fitting is used in combination with the box, a wedge-shaped end portion of the fitting, having a relatively small surface area, is manually pressed against the pressure removable plug along a pressure zone immediately radially inwardly from the zone of weakness. This pops the plug out of the wall of the box, leaving a neat, smooth hole into which the connector fitting may be inserted by continued manual pressure applied thereto. The connector fitting includes an expandable cylindrical body portion, and further includes an external circumferential groove at the intersec- tion of the cylindrical body portion with the wedge-shaped end portion. The edge of the wall which defines the opening formed on removal of the plug snaps into this groove to interlock the connector fitting in the wall of the box.
503652
Borsh Richard J.
Pate Harold T.
Ripley Robert W.
Ridout & Maybee Llp
Thyssen-Bornemisza Inc.
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