Find Electrical Lines In Concrete Floor

Handle all your tools with care and wear gloves and eye protection if you need to cut into the wall or floor to find or fix your wires.

Find electrical lines in concrete floor.

Turn on the jackhammer and break up the concrete along the line. Before the concrete trucks come the contractor fills in the area over the network of plumbing pipes and drain lines with compacted sand. The way i see it you have 2 choices 1 spend the 350 and see exactly where those lines are 2 find your floor layout and measure the distances between the loops and drill maybe youll get lucky and not hit the line maybe you will hit the line then spend a 1000 00 to smash the concrete up repair the line then pour new concrete if it were me the 350 sounds easier and cheaper. This lined up with the strong gpr response suggesting that the rebar and the power cable were located side by side.

The concrete floor might also contain conduit and electrical lines so don t cut until you know what lies beneath. These cuts will kick up clouds of dust so be sure to wear safety glasses and a dust mask. Having a helper hold a wet dry vac hose next to the blade will help capture some of the. Pvc conduit is typically used for these applications because it is weather tight and doesn t corrode due to exposure to the acidic concrete.

If you don t have a set of mechanical plans that came with the house contact. Use it to make four parallel kerfs about inch apart in the exposed concrete. In order to get a clearer picture of what was happening in the concrete a 24 24 grid was collected. This allows you to install the conduit under the slab in a location where it is well protected.

Attach a spade concrete cutting bit to the end of an electric jackhammer. Put on the proper safety equipment including work clothes gloves goggles and a helmet. Place the edge of the spade on the ground at the start of the line. If you re working on lighting outlets or wiring cut the power at the circuit breaker first.

When viewing the map of live power cables over the same area a strong power response was noted. The next step is to rent an electric concrete cutting saw with a dry cut diamond blade. The best time to run conduit is before your pour the concrete slab.