Duct junction fitting

Details Duct junction fitting Duct junction fitting

1976-02-09

1979-02-13

Truhe, J. V.

Electricity: conductors and insulators

Overhead

Towers, poles or posts

174 57, 220 37, 52221, H02G 312

Patent

active

041397258

ABSTRACT:
An underfloor system of ducts utilized for power and signal distribution utilizes a combination duct junction fitting which provides access to two parallel ducts while maintaining protective isolation between the ducts. The combination fitting serves to join pairs of ducts in end to end spaced apart relation, adjustably support the ducts above a base floor surface, maintain ground integrity of the system and selectively provide a duplex electrical receptacle which can be accessed from the surface and which is mounted substantially in the space between the parallel ducts. A tubular adapter is adjustable to the height of the fill above the fitting and provide for the attachment of either a closure or an above surface fitting.

REFERENCES:
patent: 2919827 (1960-01-01), Cubberley
patent: 2936091 (1960-05-01), Clark
patent: 3061663 (1962-10-01), Reiland
patent: 3701837 (1972-10-01), Fork
patent: 3784042 (1974-01-01), Hadfield et al.

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