4" dia. round fixture support box with 7" square mounting flange for use with nonmetallic sheathed cable

4" dia. round fixture support box with 7" square mounting flange for use with nonmetallic sheathed cable

6 1/2" square siding installation block with 4" fixture opening for use with AC9500 4" round electrical box

6 7/8" x 10 3/4" siding installation block with 4" fixture opening for use with AC9500 4" round electrical box