Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1991-09-27
1993-08-17
Picard, Leo P.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
174 53, H02G 322
Patent
active
052371280
ABSTRACT:
A poke-through wiring device for mounting in a bore opening through a concrete floor slab includes individual tubes for through-floor passage of power supply and data/communication conductors, an intumescent barrier for sealing the bore, and an above-floor service fitting having a main frame including a bottom wall having spaced apart power supply and low voltage data/communication openings therethrough. A pair of opposing sidewalls extend upwardly from the bottom wall and each defines a plurality of receptacle openings. A unitary receptacle barrier mounted on and cooperating with the frame isolates the power supply opening, at least one receptacle opening in one of the sidewalls and at least two of the receptacle openings in the other of the sidewalls from the data/communication opening. An auxiliary frame may be connected to the main frame to increase the number of available receptacle openings.
REFERENCES:
patent: 3110754 (1963-11-01), Witort et al.
patent: 4243835 (1981-01-01), Ehrenfels
patent: 4272643 (1981-06-01), Carroll et al.
patent: 4323723 (1982-04-01), Fork et al.
patent: 4336416 (1982-06-01), Goodsell
patent: 4496790 (1985-01-01), Spencer
'Hubbell Incorporated
Haesche Frederick J.
Picard Leo P.
Presson Jerry M.
Tone David A.
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