An underground electrical pullbox with a cover sits flush with the finished grade within compacted fill. The pullbox rests on a minimum three-inch gravel base layer for proper drainage. Typical incoming and outgoing feeder conduits enter and exit through the bottom and sides of the assembly.
GRAVEL BASE 3" MIN FINISHED GRADE PULLBOX WITH COVER COMPACTED FILL F IN/ OUT FEEDER (TYP) SECTION VIEW L H
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