Ridged nonmetallic pvc conduit is the right material for this job because it is watertight inexpensive and easy to work with.
Cutting concrete slab for electrical conduit.
It also allows future expansion of the electrical system by pulling additional wires through the conduit.
The blade that i am using is a bosch db741c 7 inch premium segmented diamond blade.
Installing conduit under or in concrete slabs protects the wires from the weight and corrosion of the cement.
Save the piece for later.
Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines.
Instead finish the cut with a utility knife.
If you have installed any electrical conduit which does not require a pressure test tape the opening to the conduit closed with duct tape to prevent concrete from falling in.
Step 7 backfill around the pipes.
The concrete will ruin your saw blade.
Next cut out the exposed strip of plywood or osb that covers the slab but don t go all the way through.