Step 3 find and mark the location of other water pipes in the walls once you are confident you can accurately interpret the pipe detector. If there are any switches or electrical outlets on the wall then theres a very good chance that there will be wires and cables in the wall.
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Find cables and pipes in walls. After all without a method to your madness youd just be hammering unsightly holes through your drywall in a vain attempt to cross paths with your wires. Its also worth trying to guess where the pipes will go through the walls so that you can avoid drilling into them. Practice using the detector on a wall where you know the location of pipes studs and wires. Look out for any signs of obvious dangers in the wall. Step 1 study the wall. Listen for the different indicators and watch the flashing light while detecting each to learn the variations.
If you can look at the base of the wall from your basement or crawlspace and at the top. Metalliscanner m40 has two. To use a detector read the instructions first. Metalliscanner m40 finds plumbing ductwork rebar nails and screws in your walls floors and ceilings and is great for scanning reclaimed lumber for hidden metal. Combination detectors can find timber pipes and wires by changing the setting on the detector. You can guess at where the wiring might be by looking at electrical fixtures on either side of the wall.
If you need to find the wires inside your walls youll probably want a non invasive way to look for them. Most of them will tell you to practice on a section of wall or other surface where you know there to be timber pipes or cables.