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Electrical box for concrete walls

  • US 7,563,978 B2
  • Filed: 09/19/2008
  • Issued: 07/21/2009
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
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1. An electrical outlet box for accommodating an electrical fixture comprising:

  • a generally rectangular box having a back wall and a slidable extension, a perimetrical side wall surrounding said back wall defining an open front face and a box interior;

    said slidable extension nested adjacent said generally rectangular box, that can be moved along said generally rectangular box to an extended position beyond said open front face, wherein said slideable extension can be secured in said extended position beyond said open front face;

    a movable ground screw mounting tab;

    at least one extending collar on at least one pair of spaced apart side walls;

    a plurality of fastening structures, each of said fastening structures comprising a nail, one of said fastening structures slidably held by said collar to rigidly mount said electrical outlet box to a structural member,wherein each of said fastening structures have at least one notch to create a stress raiser to facilitate removal of a portion of each of said fastening structures, said notch is aligned adjacent the open front face when the nail is fully extended into the form.

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