Cutting Concrete Slab For Electrical Conduit

The concrete will ruin your saw blade.

Cutting concrete slab for electrical conduit.

Step 7 backfill around the pipes. In this video we are cutting concrete with a circular saw aka skil saw. It also allows future expansion of the electrical system by pulling additional wires through the conduit. Instead finish the cut with a utility knife.

Installing conduit under or in concrete slabs protects the wires from the weight and corrosion of the cement. Save the piece for later. Make a second cut inch away and parallel to the first. Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines.

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. Ridged nonmetallic pvc conduit is the right material for this job because it is watertight inexpensive and easy to work with.