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Box Extender, levels and supports the wiring device where the box | Crescent Electric Supply Company
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6 PACK) Plastic Electrical Box, Blue Outlet Box, Single Gang New Work Junction Box, Captive Nails, 18 cu. Inches, Length 3-3/4'', Width 2-1/4'', Depth 2-7/8'', 2 Hour Fire Rated Electrical Outlet Box - Amazon.com
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