H - Electricity – 02 – G
Patent
H - Electricity
02
G
H02G 3/12 (2006.01) E04B 5/48 (2006.01)
Patent
CA 2203600
An electrical wiring distribution system adapted for securement with a metal floor structure is provided. The system includes a hatch structure secured to a cellular floor structure. The hatch structure has a housing having an interior portion therewithin and an open bottom end. The housing has opposed sidewalls disposed transverse to the enclosed metal cells and bottom portions extending downwardly in close adjacency with channelways of the floor structure to prevent ingress of concrete into the interior portion. The housing has a pair of side portions having edges forming an access opening in communication with the interior portion of the housing. A divider structure is provided in the interior portion of the housing for dividing the interior portion of the housing into at least a pair of sections. The housing has an upper flange defining a top access opening. A fire retardant member is provided which is sized and adapted for extending about the upper flange between the housing and a ring assembly removably secured to the housing. The ring assembly being adapted to receive a cover plate removably secured thereto. A generally rectangular shaped duct structure defines a raceway extending therethrough. The raceway has an inlet opening in communication with the access opening of the housing. Main power and communication lines extending through the floor structure are accessible through the hatch structure for extension in the duct structure.
Système de distribution de câblage électrique adapté pour une structure de plancher métallique. Comprend un boîtier fixé à une structure de plancher cellulaire. Le boîtier a un fond ouvert et des parois opposées transversales aux cellules métalliques qu'il renferme ainsi que des prolongements inférieurs chevauchant les canalisations de la structure de plancher afin d'empêcher la pénétration de béton dans sa partie intérieure. Il a deux parties latérales dont les bords forment une ouverture d'accès communiquant avec sa partie intérieure. Il se divise en au moins deux compartiments, et un rebord y définit une ouverture d'accès supérieure. Un élément ignifuge s'adapte au rebord supérieur entre le boîtier et un joint périmétrique amovible fixé audit boîtier. Le joint périmétrique est adapté pour recevoir un couvercle amovible. Une structure de conduits généralement rectangulaires y définit un ensemble de canalisations communiquant avec l'ouverture d'accès du boîtier. Ledit boîtier permet ainsi d'avoir accès aux lignes d'alimentation principales et de communication traversant la structure du plancher afin de les prolonger dans la structure de conduits.
Cassan Maclean
Thomas & Betts Corporation
Thomas & Betts International Inc.
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