Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1984-08-02
1986-09-16
Grimley, Arthur T.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
174 57, 174 58, H02G 308
Patent
active
046124128
ABSTRACT:
A non-metallic outlet box assembly attached to an associated wall stud includes a pair of substantially identical, generally rectangular outlet boxes and a mounting bracket molded from resilient, high-impact, plastic material. Each outlet box is open at its front end and has top, bottom and side walls, at least portions of which converge toward one end of the box. The boxes are connected to each other and to the mounting member, by substantially parallel coengaging rails and channel members. The two outlet boxes are connected in snap-together assembly with each other and are incrementally adjustable in unison relative to the mounting member and a wall stud to which the mounting member is attached. Clamping members associated with cable receiving openings in each outlet box are adjustable to clamping positions wherein associated cables are clamped to the box to resist separation therefrom and to closed positions wherein each clamping member forms a substantial closure for an associated cable receiving opening.
REFERENCES:
patent: 1773572 (1930-08-01), Calderwood
patent: 2644600 (1953-07-01), Senif
patent: 3365156 (1968-01-01), Beck
patent: 3834658 (1974-09-01), Theodorides
patent: 3862351 (1975-01-01), Schindler et al.
patent: 4062470 (1977-12-01), Boteler
patent: 4165443 (1979-08-01), Figart et al.
patent: 4306109 (1981-12-01), Nattel
Brand-Rex Company
Grimley Arthur T.
Tone D. A.
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