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Preset insert housing for underfloor raceways

  • US 6,072,121 A
  • Filed: 12/14/1998
  • Issued: 06/06/2000
  • Est. Priority Date: 12/14/1998
  • Status: Expired due to Term
First Claim
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1. A preset for providing access to an underfloor electrical distribution system, the underfloor electrical distribution system comprising at least one raceway panel adapted to be positioned in a concrete floor, the raceway panel defining an interior passage adapted to carry service cables and having an exterior wall defining a preset opening that provides access to the interior passage, the preset comprising:

  • a housing defining an interior compartment, the housing having bottom wall, a sidewall extending from the bottom wall and defining an upper opening to the interior compartment, and a concrete cap removably mounted in the upper opening, the bottom wall further including a removable knockout section positioned to align with the preset opening and, upon its removal, to provide access to the raceway passage through the preset interior compartment, the knockout section including a protruding portion that is configured to engage with the raceway opening to secure the preset housing to the raceway during pouring of the concrete floor.

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