Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1990-12-12
1992-09-15
Picard, Leo P.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
H02G 328
Patent
active
051479796
ABSTRACT:
Threadless floor electric wire junction box with embedded in the concrete floor for distribution of electric wire through a wiring conduit which has a bolt hole for guiding electric wire. The bolt hole is blocked with a plug assembly and sealed with a gasket ring. The plug assembly comprises at least a tubular plug having an inner thread for mounting a cap through screw joint and sealed with a gasket ring. The cap can be conveniently removed from the tubular plug so that electric wire can be guided out of the wiring conduit for installation of socket power. A screw power. A screw pipe coupling is attached to the plug assembly and sealed with a gasket ring for connecting two tubular plugs together so as to increase the height of the plug assembly.
REFERENCES:
patent: 1982464 (1934-11-01), Buchanan
patent: 3173227 (1965-03-01), Clark
patent: 3565276 (1971-02-01), O'Brian
patent: 3873136 (1975-03-01), Curry
Picard Leo P.
Tone David A.
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