Concrete slabs form the backbone of countless industrial and material-handling facilities. Whether supporting heavy machinery, mezzanines, pallet racks, or conveyors, a slab must be able to bear ...
All questions and answers are based on the 2005 NEC. Q. What is the minimum depth for placing Schedule 40 PVC conduit below a concrete slab? A. If it's under a building, there is no depth requirement.
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