Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1993-06-23
1995-09-05
Picard, Leo P.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
174 53, 220 33, H02G 308
Patent
active
054480124
ABSTRACT:
A method for installing electrical conduit in straight sections between a pair of non-adjacent electrical junction boxes where an interfering box is to be installed between the pair of boxes being connected and at the same elevation is provided. The method utilizes electrical junction boxes that are specifically shaped and designed to permit the use of the straight sections of conduit. The electrical junction boxes include at least one section of a greater depth than the remainder of the electrical junction box and the normally interfering electrical junction box is installed in an inverse orientation with respect to the electrical junction boxes being connected whereby the conduit connecting the pair of non-adjacent boxes passes behind the area of lesser depth and in juxtaposition thereto. A second embodiment utilizing two complementary electrical junction box designs, one design presenting a central notch forming an area of lesser depth and the second design including a central extended section forming an area of greater depth is also disclosed.
REFERENCES:
patent: D277846 (1985-03-01), McLaughlin
patent: 689414 (1901-12-01), Robinson
patent: 1861435 (1932-06-01), Chamberlain et al.
patent: 2730261 (1956-01-01), Tutt
patent: 3110754 (1963-11-01), Witort et al.
patent: 3701448 (1972-10-01), Vadnais
Picard Leo P.
Tone David
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