The blade that i am using is a bosch db741c 7 inch premium segmented diamond blade.
Cutting concrete slab for electrical conduit.
Save the piece for later.
Next cut out the exposed strip of plywood or osb that covers the slab but don t go all the way through.
Use a chisel and hammer to remove the three scrap pieces.
Ridged nonmetallic pvc conduit is the right material for this job because it is watertight inexpensive and easy to work with.
In this video we are cutting concrete with a circular saw aka skil saw.
Instead finish the cut with a utility knife.
Step 7 backfill around the pipes.
Installing conduit under or in concrete slabs protects the wires from the weight and corrosion of the cement.
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.
The concrete will ruin your saw blade.