Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1974-12-18
1976-09-28
Truhe, J. V.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
317120, 220 38, H02G 314
Patent
active
039833119
ABSTRACT:
An auxiliary gutter to receive, secure and house cable for connecting to an adjacent load center. The end walls of the gutter have a recessed edge region or notch intermediately thereof with cooperating clamp means to lay-in and secure lengths of cable without cutting. Wiring cable may thus extend unbroken in one continuous run from the top floor of a building to the bottom and connect to load centers on each floor by laying in cable and clamping to respective auxiliary gutters mounted along side each load center. Tap kits connect the cable electrically to the load centers. A cover is provided which has universal features, including a break-away tab and uniquely positioned mounting holes, making the cover useable with installations where the load center is the same length as the auxiliary gutter, where the load center is shorter than the auxiliary gutter, where both are flush mounted, and where both are surface mounted.
REFERENCES:
patent: 2659765 (1953-11-01), Dunn
patent: 3146298 (1964-08-01), Ceglia
patent: 3504097 (1970-03-01), Carlson
patent: 3735020 (1973-05-01), Licata
patent: 3806628 (1974-04-01), Higgins
"Taking on a Towering Task: Putting Power Cables into the World Trade Center," Wire & Wire Products, Nov. 1971, pp. 32-34 and 36-38, 174-100.
Baker Robert C.
Brann Theodore L.
Brumfield Walter T.
Kettelson E. S.
Rathbun H. J.
Square D Company
Tone D. A.
Truhe J. V.
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