Method for forming wiring channels in a concrete floor

Details Method for forming wiring channels in a concrete floor Method for forming wiring channels in a concrete floor

1978-11-28

1981-02-17

Pavelko, Thomas P.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52741, 264 34, 264 35, E04B 548

Patent

active

042506751

ABSTRACT:
An improved method for forming wiring channels in a prefabricated concrete floor slab is disclosed. At least one trench is formed in a concrete floor slab when the slab is poured. A metal cover placed over the trench can have a metal U-shaped channel attached thereto for dividing the trench into at least two and preferably three separate wire raceways with the center raceway completely shielded by the channel and cover*. Access boxes are selectively positioned over knockouts in the cover plate. Metal channels are positioned to extend perpendicular to the trenches for forming main distribution ducts. A concrete surface is then poured over the slab to extend flush with the tops of the access boxes and the main distribution ducts and a cover plate is attached to enclose the main distribution ducts. The resulting floor structure has embedded therein parallel wiring raceways spaced across the floor with spaced accesses into each raceway and main distribution ducts interconnecting the parallel raceways.

REFERENCES:
patent: 4030259 (1977-06-01), Meckler

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