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An electrical outlet box having a generally rectangular box having a back wall, a perimetrical side wall surrounding the back wall defining an open front face and a box interior, the side wall comprised of a first and second set of generally parallel spaced apart wall portions, outwardly directed fl

An electrical outlet box having a generally rectangular box having a back wall, a perimetrical side wall surrounding the back wall defining an open front face and a box interior, the side wall comprised of a first and second set of generally parallel spaced apart wall portions, outwardly directed flanges extending from one set of parallel wall portions adjacent the open front face; and fastening structures integrally formed with and attached to the flanges for rigidly mounting the electrical outlet box to a structural member.

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1. An electrical outlet box for accommodating an electrical fixture comprising:a generally rectangular box having a back wall, a perimetrical side wall surrounding said back wall defining an open front face and a box interior, said side wall comprised of a first and second set of generally parallel

1. An electrical outlet box for accommodating an electrical fixture comprising:a generally rectangular box having a back wall, a perimetrical side wall surrounding said back wall defining an open front face and a box interior, said side wall comprised of a first and second set of generally parallel spaced apart wall portions, outwardly directed flanges extending from one set of parallel wall portions adjacent said open front face; and fastening structures integrally formed with and attached to said flanges for rigidly mounting said electrical outlet box to a structural member wherein said fastening structures have a first and second end, the first end attached to said flange and a free second end. 2. An electrical outlet box of claim 1 wherein said fastening structures protrude from said flanges away from said open front face.3. An electrical outlet box of claim 1 wherein said fastening structures are extendable from said flanges away from said open front face.4. An electrical outlet box of claim 2, wherein said free end is pointed.5. An electrical outlet box of claim 2, wherein said free end is sharp.6. An electrical outlet box of claim 3, wherein said free end is pointed.7. An electrical outlet box of claim 3, wherein said free end is sharp.8. An electrical outlet box of claim 1, wherein said flanges have a plurality of apertures for receiving a fastener, wherein said apertures have retaining structures for temporarily securing said fastener.9. An electrical outlet box according to claim 8 wherein said retaining structures include frangible elements.10. An electrical outlet box of claim 9 wherein said frangible element is defined by a score line permitting detachment of said frangible element.11. An electrical outlet box according to claim 8 wherein said retaining structures include deformable elements.12. An electrical outlet box of claim 11 wherein said deformable element is defined by a malleable portion permitting bending of said deformable element.13. An electrical outlet box according to claim 8, wherein said apertures are configured to releasably retain said fastener.14. An electrical outlet box according to claim 13, wherein said aperture has at least one radially extended slot.15. An electrical outlet box of claim 1 wherein said box is formed of conductive metal.