Patent ID: 6998531
Filing Date: 2006-02-14
Classification: H02G

Abstract:
1. An electrical enclosure for use in poured concrete construction comprising: an electrical enclosure molded of plastic material; said enclosure having a peripheral wall with front and rear surfaces; said enclosure having a cavity within said peripheral wall between said front and rear surfaces; said peripheral wall having an inner surface that extends between said front and rear surfaces and also forms the periphery of said cavity; said enclosure having front and rear entrance openings to said cavity at said front and rear surfaces of said peripheral wall; said peripheral wall having a plurality of spaced-apart enlarged bosses with fastener receiving holes therein adjacent said front opening; said enclosure being positionable with said front surface thereof adjacent to or engaging an inside surface of a concrete form; a rear cover attached against said rear surface and closing said rear opening; a removable knockout cover of plastic material closing said front entrance opening for sealing said front entrance opening against entrance of poured concrete into said cavity; said knockout cover having a thickness; and said removable knockout cover being molded integrally in one-piece with said peripheral wall and being attached to said peripheral wall inner surface by a frangible web that extends around the periphery of said knockout cover and has a web thickness that is less than said knockout cover thickness.